Half-Life 2 is a popular franchise and we benchmark the video cards using Episode Two with the aid of HOC Half-Life 2 Episode Two benchmarking utility using the “HOC Demo 1” provided by this program. We ran the game in three 16:10 widescreen resolutions, 1680x1050, 1920x1200 and 2560x1600, with quality set to maximum, x16 anisotropic filtering and 16xQCS anti-aliasing. The results below are the average number of frames per second (FPS) achieved by each card.

Half-Life 2: Episode Two - 1680x1050 - High	Score	Difference
Radeon HD 4850 X2	158.0	26.40%
Radeon HD 4870 X2	157.0	25.60%
Radeon HD 4870	144.0	15.20%
GeForce 9800 GTX	137.9	10.32%
Sapphire Atomic Radeon HD 3870 X2	126.1	0.88%
GeForce 9800 GX2	125.4	0.32%
GeForce GTX 260 (216 Proc.)	125.0
GeForce GTX 260 (192 Proc.)	121.0	3.31%
Radeon HD 4850	116.2	7.57%
Radeon HD 4830	101.0	23.76%
GeForce 9800 GTX+	94.0	32.98%
GeForce GTX 280	89.3	39.98%
GeForce 9800 GT	80.0	56.25%
Radeon HD 3870	68.3	83.02%

Half-Life 2: Episode Two - 1920x1200 - High	Score	Difference
Radeon HD 4870 X2	157.0	49.52%
Radeon HD 4850 X2	152.0	44.76%
Radeon HD 4870	124.0	18.10%
GeForce 9800 GTX	116.3	10.76%
GeForce 9800 GX2	111.1	5.81%
Sapphire Atomic Radeon HD 3870 X2	106.5	1.43%
GeForce GTX 260 (216 Proc.)	105.0
GeForce GTX 260 (192 Proc.)	101.0	3.96%
Radeon HD 4850	97.2	8.02%
Radeon HD 4830	85.0	23.53%
GeForce 9800 GTX+	74.0	41.89%
GeForce GTX 280	70.3	49.36%
GeForce 9800 GT	63.0	66.67%
Radeon HD 3870	56.8	84.86%

Half-Life 2: Episode Two - 2560x1600 - High	Score	Difference
Radeon HD 4870 X2	130.0	103.13%
Radeon HD 4850 X2	108.0	68.75%
Radeon HD 4870	75.0	17.19%
GeForce 9800 GTX	71.3	11.41%
GeForce GTX 260 (216 Proc.)	64.0
GeForce GTX 260 (192 Proc.)	61.0	4.92%
Radeon HD 4850	58.4	9.59%
Radeon HD 4830	51.0	25.49%
Sapphire Atomic Radeon HD 3870 X2	50.6	26.48%
GeForce 9800 GTX+	39.0	64.10%
GeForce 9800 GX2	37.5	70.67%
GeForce 9800 GT	36.0	77.78%
GeForce GTX 280	35.5	80.28%
Radeon HD 3870	34.9	83.38%