Specs & Scores
	Windows Vista				Windows 7
	Radeon HD 5870	Asus Radeon HD 4870 X2	XFX Radeon HD 4890		Radeon HD 5870	Asus Radeon HD 4870 X2	XFX Radeon HD 4890
Price	$379.00				$379.00
Core Clock	850MHz	750MHz	900MHz		850MHz	750MHz	900MHz
Memory Clock	1,200MHz	900MHz	975MHz		1,200MHz	900MHz	975MHz
Memory	1GB GDDR5	2GB GDDR5	1GB GDDR5		1GB GDDR5	2GB GDDR5	1GB GDDR5
3DMark Vantage Performance	1,280 x 1,024
Overall	P10842	P12815	P10510		P10930	P12968	P10187
GPU Score	11077.00	14057.00	10577		11173.00	14343	10213
GPU1 (fps)	31.36	40.25	30.4		31.76	41.37	29.5
GPU2 (fps)	33.57	42.14	31.59		33.73	42.68	30.35
CPU Score	10192.00	10129.00	10311		10263.00	10073	10111
CPU1 (Plans/s)	1312.45	1320.10	1323.54		1320.89	1328.46	1324.61
CPU2 (Steps/s)	15.97	15.48	16.26		16.10	14.99	15.28
3DMark Vantage Extreme	1,920 x 1,200; 4XAA, 16XAF
Overall	X6069	X7457	X4927		X6050	X7550	X4896
GPU Score	5942.00	7351.00	4796		5921.00	7448	4766
GPU1 (fps)	17.38	24.16	15.82		17.28	24.38	15.72
GPU2 (fps)	17.44	18.81	12.22		17.41	19.17	12.15
CPU Score	10198.00	10242.00	10203		10314.00	10193	10102
CPU1 (Plans/s)	1323.01	1318.58	1319.38		1326.15	1328.19	1326.91
CPU2 (Steps/s)	15.73	16.05	15.85		16.21	15.58	15.17
Games	1,280 x 1,024
Far Cry 2 (4XAA)	59.92	74.31	57.67		60.23	75.42	51.30
Left 4 Dead (8XAA, 16XAF)	122.74	125.88	116.28		129.37	135.53	118.45
Crysis (4XAA)	32.19	38.79	32.71		29.67	38.6	29.83
	1,920 x 1,200
Far Cry 2 (4XAA)	48.45	65.90	45.30		47.91	66.36	44.79
Left 4 Dead (8XAA, 16XAF)	96.94	108.80	83.15		97.24	111.58	83.05
Crysis (4XAA)	22.58	30.19	20.47		20.51	27.55	18.67
	2,560 x 1,600
Far Cry 2 (4XAA)	35.03	24.42	29.34		35.78	45.7	31.79
Left 4 Dead (8XAA, 16XAF)	67.20	73.80	52.66		67.22	73.86	52.58
Crysis (4XAA)	15.03	19.24	9.40		11.34	13.76	10.59
Driver: Catalyst 8.66 (5870); Catalyst 9.9 (4870 X2 & 4890)
Test system specs: 3GHz Phenom II X4 940, Biostar TA790GX 128M (AMD 790GX + SB750), Crucial 4GB DDR2-800,  FSP Group Everest 900 PSU, 1TB Western Digital Caviar Black HDD