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Test Setup And Benchmarks

Radeon R7 250X Review: Reprising Radeon HD 7770 At $100
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I ran the benchmarks on the following page for AMD Radeon R7 260 Review: The Bonaire GPU Rides Again, where I went into depth on average frame rates and frame time variance. For the sake of brevity, I'm emphasizing frame rates this time around. If you want deeper analysis, we invite you to check out the Radeon R7 260 launch story.

What we're adding to the mix are screenshot to show how the detail settings we're choosing actually look at 1920x1080. My intention there is to show that dialing back image quality doesn't necessarily mean AMD's Radeon HD 7770/R7 250X is forced down to ugly levels of game play.


Test System
CPU
Intel Core i5-2550K (Sandy Bridge), Overclocked to 4.2 GHz @ 1.3 V
Motherboard
Asus P8Z77-V LX.
LGA 1155, Chipset: Intel Z77M
Networking
On-Board Gigabit LAN controller
Memory
Corsair Performance Memory, 4 x 4 GB, 1866 MT/s, CL 9-9-9-24-1T
Graphics
XFX Radeon R7 250 GDDR5
1000/1050 MHz GPU, 1 GB GDDR5 at 1150 MHz (4600 MT/s)

Reference AMD Radeon HD 7750

800 MHz GPU, 1 GB GDDR5 at 1125 MHz (4500 MT/s)

Gigabyte Radeon HD 7770 (Representing Radeon R7 250X)
1000 MHz GPU, 1 GB GDDR5 at 1125 MHz (4500 MT/s)

Gigabyte Radeon R7 260
1000 MHz GPU, 1 GB GDDR5 at 1500 MHz (6000 MT/s)

Reference Radeon R7 260X
1100 MHz GPU, 2 GB GDDR5 at 1625 MHz (6500 MT/s)

Reference Nvidia GT 640
900 MHz GPU, 1 GB DDR3 at 891 MHz (1782 MT/s)

Gigabyte Nvidia GTX 650

1058 MHz GPU, 1 GB DDR3 at 1250 MHz (5000 MT/s)

Reference Nvidia GTX 650 Ti
925 MHz GPU, 1 GB DDR3 at 1350 MHz (5400 MT/s)
Hard Drive
Samsung 840 Pro, 256 GB SSD, SATA 6Gb/s
Power
XFX PRO850W, ATX12V, EPS12V
Software and Drivers
Operating System
Microsoft Windows 8 Pro x64
DirectX
DirectX 11
Graphics Drivers
AMD Catalyst 13.11 Beta 9.5, Nvidia GeForce 332.21 WHQL

We've almost completely eliminated mechanical storage in the lab, and instead lean on solid-state drives to alleviate I/O-related bottlenecks. Samsung sent all of our offices 256 GB 840 Pros, so we standardize on these exceptional SSDs.

Naturally, discrete graphics cards require a substantial amount of stable power, so XFX sent along its PRO850W 80 PLUS Bronze-certified power supply. This modular PSU employs a single +12 V rail rated for 70 A. XFX claims that this unit provides 850 W of continuous power (not peak) at 50 degrees Celsius (a higher temperature than you'll find inside most enclosures).

Benchmark Configuration
3D Games
Metro: Last Light
Version 1.0.0.14, Built-in Benchmark
Grid 2
Version 1.8.85.8679, Built-in Benchmark Scene D6
Assassin's Creed IV: Black Flag
Version 1.05, Custom THG Benchmark, 40-Sec
Battlefield 4
Version 1.0.0.1, Custom THG Benchmark, 90-Sec
BioShock Infinite
Version 1.1.24.21018, Built-in Benchmark
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