Deutsche Bank National Trust				Distribution Date:	8/25/05
Santa Ana, CA 92705	*GMAC*	*Mortgage*	*Corporation*
Attn:

GMACM MORTGAGE LOAN TRUST 2005-AF1 GMACM Mortgage Pass-Through Certificates, Series 2005-AF1

Certificateholder Monthly Distribution Summary

			Certificate		Pass				Current		Cumulative
		Class	Rate	Beginning	Through	Principal	Interest	Total	Realized	Ending	Realized
Class	Cusip	Description	Type	Balance	Rate (%)	Distribution	Distribution	Distribution	Losses	Balance	Losses


A-1	36185MAH5	Senior	Var-30/360	29,277,528.82	3.760000	2,082,312.12	91,736.26	2,174,048.38	0.00	27,195,216.70	0.00
A-2	36185MAJ1	Senior	Var-30/360	39,985,821.46	4.060000	14,246.48	135,285.36	149,531.84	0.00	39,971,574.98	0.00
A-3	36185MAK8	Senior	Fix-30/360	58,019,000.00	5.750000	700,000.00	278,007.71	978,007.71	0.00	57,319,000.00	0.00
A-4	36185MAL6	Senior	Fix-30/360	14,656,325.00	5.000000	0.00	61,068.02	61,068.02	0.00	14,656,325.00	0.00
A-5	36185MAM4	Senior	Fix-30/360	27,202,000.00	5.750000	0.00	130,342.92	130,342.92	0.00	27,202,000.00	0.00
A-6	36185MAN2	Senior	Fix-30/360	1,004,791.67	5.750000	0.00	0.00	0.00	0.00	1,009,606.29	0.00
A-7	36185MAP7	Senior	Fix-30/360	2,973,178.54	5.750000	0.00	0.00	0.00	0.00	2,987,425.02	0.00
A-8	36185MAQ5	Strip IO	Var-30/360	102,479,347.32	1.690000	0.00	144,325.08	144,325.08	0.00	98,020,360.06	0.00
A-9	36185MAR3	Strip IO	Var-30/360	62,493,525.86	0.300000	0.00	15,623.38	15,623.38	0.00	58,048,785.08	0.00
A-10	36185MAW2	Senior	Fix-30/360	3,296,575.00	5.750000	0.00	15,796.09	15,796.09	0.00	3,296,575.00	0.00
A-11	36185MAX0	Senior	Fix-30/360	3,795,100.00	5.750000	0.00	18,184.85	18,184.85	0.00	3,795,100.00	0.00
A-12	36185MAY8	Strip IO	Fix-30/360	1,911,693.35	5.750000	0.00	9,160.20	9,160.20	0.00	1,911,693.35	0.00
A-13	36185MBF8	Senior	Var-30/360	33,215,997.04	3.760000	2,362,428.66	104,076.79	2,466,505.45	0.00	30,853,568.38	0.00
PO	36185MBC5	Strip PO	Fix-30/360	1,483,955.55	0.000000	6,121.24	0.00	6,121.24	0.00	1,477,834.31	0.00
IO	36185MBD3	Strip IO	Fix-30/360	196,375,273.02	0.533994	0.00	87,386.00	87,386.00	0.00	191,487,470.50	0.00
R	36185MBE1	Senior	Fix-30/360	0.00	5.750000	0.00	0.00	0.00	0.00	0.00	0.00


M-1	36185MAS1	Mezzanine	Fix-30/360	6,940,398.79	5.750000	5,631.12	33,256.08	38,887.20	0.00	6,934,767.67	0.00
M-2	36185MAT9	Mezzanine	Fix-30/360	3,176,436.47	5.750000	2,577.21	15,220.42	17,797.63	0.00	3,173,859.26	0.00
M-3	36185MAU6	Mezzanine	Fix-30/360	2,353,100.94	5.750000	1,909.20	11,275.28	13,184.48	0.00	2,351,191.75	0.00
B-1	36185MAZ5	Junior	Fix-30/360	1,646,671.06	5.750000	1,336.03	7,890.30	9,226.33	0.00	1,645,335.03	0.00
B-2	36185MBA9	Junior	Fix-30/360	823,335.53	5.750000	668.02	3,945.15	4,613.17	0.00	822,667.52	0.00
B-3	36185MBB7	Junior	Fix-30/360	1,529,918.37	5.750000	1,241.30	7,330.86	8,572.16	0.00	1,528,677.06	0.00


Totals				231,380,134.24		5,178,471.38	1,169,910.75	6,348,382.13	0.00	226,220,723.97	0.00

Page 1

Deutsche Bank National Trust				Distribution Date:	8/25/05
Santa Ana, CA 92705	*GMAC*	*Mortgage*	*Corporation*
Attn:

GMACM MORTGAGE LOAN TRUST 2005-AF1 GMACM Mortgage Pass-Through Certificates, Series 2005-AF1

Principal Distribution Detail

		Original	Beginning	Scheduled		Unscheduled	Net	Current	Ending	Ending
		Certificate	Certificate	Principal	Accretion	Principal	Principal	Realized	Certificate	Certificate
Class	Cusip	Balance	Balance	Distribution	Principal	Adjustments	Distribution	Losses	Balance	Factor


A-1	36185MAH5	30,850,000.00	29,277,528.82	2,082,312.12	0.00	0.00	2,082,312.12	0.00	27,195,216.70	0.88153052517
A-2	36185MAJ1	40,000,000.00	39,985,821.46	14,246.48	0.00	0.00	14,246.48	0.00	39,971,574.98	0.99928937445
A-3	36185MAK8	58,719,000.00	58,019,000.00	700,000.00	0.00	0.00	700,000.00	0.00	57,319,000.00	0.97615763211
A-4	36185MAL6	14,656,325.00	14,656,325.00	0.00	0.00	0.00	0.00	0.00	14,656,325.00	1.00000000000
A-5	36185MAM4	27,202,000.00	27,202,000.00	0.00	0.00	0.00	0.00	0.00	27,202,000.00	1.00000000000
A-6	36185MAN2	1,000,000.00	1,004,791.67	0.00	4,814.63	0.00	0.00	0.00	1,009,606.29	1.00960629340
A-7	36185MAP7	2,959,000.00	2,973,178.54	0.00	14,246.48	0.00	0.00	0.00	2,987,425.02	1.00960629340
A-8	36185MAQ5	105,850,000.00	102,479,347.32	0.00	0.00	0.00	0.00	0.00	98,020,360.06	0.92603079887
A-9	36185MAR3	65,850,000.00	62,493,525.86	0.00	0.00	0.00	0.00	0.00	58,048,785.08	0.88153052517
A-10	36185MAW2	3,296,575.00	3,296,575.00	0.00	0.00	0.00	0.00	0.00	3,296,575.00	1.00000000000
A-11	36185MAX0	3,795,100.00	3,795,100.00	0.00	0.00	0.00	0.00	0.00	3,795,100.00	1.00000000000
A-12	36185MAY8	1,911,693.35	1,911,693.35	0.00	0.00	0.00	0.00	0.00	1,911,693.35	1.00000000234
A-13	36185MBF8	35,000,000.00	33,215,997.04	2,362,428.66	0.00	0.00	2,362,428.66	0.00	30,853,568.38	0.88153052517
PO	36185MBC5	1,508,222.94	1,483,955.55	6,121.24	0.00	0.00	6,121.24	0.00	1,477,834.31	0.97985136834
IO	36185MBD3	200,071,371.94	196,375,273.02	0.00	0.00	0.00	0.00	0.00	191,487,470.50	0.95709580358
R	36185MBE1	100.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00000000000


M-1	36185MAS1	6,946,000.00	6,940,398.79	5,631.12	0.00	0.00	5,631.12	0.00	6,934,767.67	0.99838290727
M-2	36185MAT9	3,179,000.00	3,176,436.47	2,577.21	0.00	0.00	2,577.21	0.00	3,173,859.26	0.99838290727
M-3	36185MAU6	2,355,000.00	2,353,100.94	1,909.20	0.00	0.00	1,909.20	0.00	2,351,191.75	0.99838290727
B-1	36185MAZ5	1,648,000.00	1,646,671.06	1,336.03	0.00	0.00	1,336.03	0.00	1,645,335.03	0.99838290727
B-2	36185MBA9	824,000.00	823,335.53	668.02	0.00	0.00	668.02	0.00	822,667.52	0.99838290727
B-3	36185MBB7	1,531,153.08	1,529,918.37	1,241.30	0.00	0.00	1,241.30	0.00	1,528,677.06	0.99838290727


Totals		235,469,476.02	231,380,134.24	5,178,471.38	19,061.11	0.00	5,178,471.38	0.00	226,220,723.97

Page 2

Deutsche Bank National Trust				Distribution Date:	8/25/05
Santa Ana, CA 92705	*GMAC*	*Mortgage*	*Corporation*
Attn:

GMACM MORTGAGE LOAN TRUST 2005-AF1 GMACM Mortgage Pass-Through Certificates, Series 2005-AF1

Interest Distribution Detail

	Beginning	Pass	Accrued	Cumulative		Total	Net	Unscheduled
	Certificate	Through	Optimal	Unpaid	Deferred	Interest	Prepayment	Interest	Interest
Class	Balance	Rate (%)	Interest	Interest	Interest	Due	Int Shortfall	Adjustment	Paid


A-1	29,277,528.82	3.760000	91,736.26	0.00	0.00	91,736.26	0.00	0.00	91,736.26
A-2	39,985,821.46	4.060000	135,285.36	0.00	0.00	135,285.36	0.00	0.00	135,285.36
A-3	58,019,000.00	5.750000	278,007.71	0.00	0.00	278,007.71	0.00	0.00	278,007.71
A-4	14,656,325.00	5.000000	61,068.02	0.00	0.00	61,068.02	0.00	0.00	61,068.02
A-5	27,202,000.00	5.750000	130,342.92	0.00	0.00	130,342.92	0.00	0.00	130,342.92
A-6	1,004,791.67	5.750000	0.00	0.00	4,814.63	4,814.63	0.00	0.00	0.00
A-7	2,973,178.54	5.750000	0.00	0.00	14,246.48	14,246.48	0.00	0.00	0.00
A-8	102,479,347.32	1.690000	144,325.08	0.00	0.00	144,325.08	0.00	0.00	144,325.08
A-9	62,493,525.86	0.300000	15,623.38	0.00	0.00	15,623.38	0.00	0.00	15,623.38
A-10	3,296,575.00	5.750000	15,796.09	0.00	0.00	15,796.09	0.00	0.00	15,796.09
A-11	3,795,100.00	5.750000	18,184.85	0.00	0.00	18,184.85	0.00	0.00	18,184.85
A-12	1,911,693.35	5.750000	9,160.20	0.00	0.00	9,160.20	0.00	0.00	9,160.20
A-13	33,215,997.04	3.760000	104,076.79	0.00	0.00	104,076.79	0.00	0.00	104,076.79
PO	1,483,955.55	0.000000	0.00	0.00	0.00	0.00	0.00	0.00	0.00
IO	196,375,273.02	0.533994	87,386.00	0.00	0.00	87,386.00	0.00	0.00	87,386.00
R	0.00	5.750000	0.00	0.00	0.00	0.00	0.00	0.00	0.00


M-1	6,940,398.79	5.750000	33,256.08	0.00	0.00	33,256.08	0.00	0.00	33,256.08
M-2	3,176,436.47	5.750000	15,220.42	0.00	0.00	15,220.42	0.00	0.00	15,220.42
M-3	2,353,100.94	5.750000	11,275.28	0.00	0.00	11,275.28	0.00	0.00	11,275.28
B-1	1,646,671.06	5.750000	7,890.30	0.00	0.00	7,890.30	0.00	0.00	7,890.30
B-2	823,335.53	5.750000	3,945.15	0.00	0.00	3,945.15	0.00	0.00	3,945.15
B-3	1,529,918.37	5.750000	7,330.86	0.00	0.00	7,330.86	0.00	0.00	7,330.86


Totals	231,380,134.24		1,169,910.75	0.00	19,061.11	1,188,971.86	0.00	0.00	1,169,910.75

Page 3

Deutsche Bank National Trust				Distribution Date:	8/25/05
Santa Ana, CA 92705	*GMAC*	*Mortgage*	*Corporation*
Attn:

GMACM MORTGAGE LOAN TRUST 2005-AF1 GMACM Mortgage Pass-Through Certificates, Series 2005-AF1

Current Payment Information
Factors per $1,000

		Original	Beginning Cert.			Ending Cert.	Pass
		Certificate	Notional	Principal	Interest	Notional	Through
Class	Cusip	Balance	Balance	Distribution	Distribution	Balance	Rate (%)


A-1	36185MAH5	30,850,000.00	949.028486889	67.497961724	2.973622592	881.530525165	3.760000
A-2	36185MAJ1	40,000,000.00	999.645536458	0.356162013	3.382134065	999.289374446	4.060000
A-3	36185MAK8	58,719,000.00	988.078816056	11.921183944	4.734544327	976.157632112	5.750000
A-4	36185MAL6	14,656,325.00	1,000.000000000	0.000000000	4.166666667	1,000.000000000	5.000000
A-5	36185MAM4	27,202,000.00	1,000.000000000	0.000000000	4.791666667	1,000.000000000	5.750000
A-6	36185MAN2	1,000,000.00	1,004.791666667	0.000000000	0.000000000	1,009.606293403	5.750000
A-7	36185MAP7	2,959,000.00	1,004.791666667	0.000000000	0.000000000	1,009.606293403	5.750000
A-8	36185MAQ5	105,850,000.00	968.156328011	0.000000000	1.363486829	926.030798866	1.690000
A-9	36185MAR3	65,850,000.00	949.028486889	0.000000000	0.237257122	881.530525165	0.300000
A-10	36185MAW2	3,296,575.00	1,000.000000000	0.000000000	4.791666667	1,000.000000000	5.750000
A-11	36185MAX0	3,795,100.00	1,000.000000000	0.000000000	4.791666667	1,000.000000000	5.750000
A-12	36185MAY8	1,911,693.35	1,000.000002342	0.000000000	4.791666678	1,000.000002342	5.750000
A-13	36185MBF8	35,000,000.00	949.028486889	67.497961724	2.973622592	881.530525165	3.760000
PO	36185MBC5	1,508,222.94	983.909946767	4.058578427	0.000000000	979.851368341	0.000000
IO	36185MBD3	200,071,371.94	981.526097991	0.000000000	0.436774133	957.095803579	0.533994
R	36185MBE1	100.00	0.000000000	0.000000000	0.000000000	0.000000000	5.750000


M-1	36185MAS1	6,946,000.00	999.193606294	0.810699026	4.787803052	998.382907268	5.750000
M-2	36185MAT9	3,179,000.00	999.193606294	0.810699026	4.787801195	998.382907268	5.750000
M-3	36185MAU6	2,355,000.00	999.193606294	0.810699026	4.787804671	998.382907268	5.750000
B-1	36185MAZ5	1,648,000.00	999.193606294	0.810699026	4.787803398	998.382907268	5.750000
B-2	36185MBA9	824,000.00	999.193606294	0.810699026	4.787803398	998.382907268	5.750000
B-3	36185MBB7	1,531,153.08	999.193606294	0.810699026	4.787803451	998.382907268	5.750000


Totals		235,469,476.02	982.633240413	21.992113235	4.968417859	960.722076567

Page 4

GMACM MORTGAGE LOAN TRUST 2005-AF1 8-K