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Review: Gigabyte HD 7870 OC and PowerColor HD 7870 PCS+

by Parm Mann on 21 March 2012, 09:17 3.0

Tags: Gigabyte (TPE:2376), PowerColor (6150.TWO)

Quick Link: HEXUS.net/qabd2f

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Test methodology

Gigabyte HD 7870 OC specification

PowerColor HD 7870 PCS+ specification


GPU comparisons

Graphics card GPU clock
(MHz)
Stream
processors
Shader clock
(MHz)
Memory clock
(MHz)
Memory bus
(bits)
Graphics driver
  AMD Radeon HD 7970 (3,072MB) 925 2,048 925 5,500 384 Catalyst 12.1
  AMD Radeon HD 7950 (3,072MB) 800 1,792 800 5,000 384 Catalyst 12.1
  PowerColor Radeon HD 7870 PCS+ (2,048MB) 1,100 1,280 1,100 4,900 256 Catalyst 12.1
  Gigabyte Radeon HD 7870 OC (2,048MB) 1,100 1,280 1,100 4,800 256 Catalyst 12.1
  AMD Radeon HD 7870 (2,048MB) 1,000 1,280 1,000 4,800 256 Catalyst 12.1
  AMD Radeon HD 7850 (2,048MB) 860 1,024 860 4,800 256 Catalyst 12.1
  AMD Radeon HD 7770 (1,024MB) 1,000 640 1,000 4,500 128 Catalyst 12.1
  NVIDIA GeForce GTX 580 (1,536MB) 772 512 1,544 4,008 384 ForceWare 285.88
  NVIDIA GeForce GTX 570 (1,280MB) 732 480 1,464 3,800 320 ForceWare 285.88
  NVIDIA GeForce GTX 560 Ti 448 (1,280MB) 732 448 1,464 3,800 320 ForceWare 285.88
  NVIDIA GeForce GTX 560 Ti (1,024MB) 822 384 1,645 4,008 256 ForceWare 285.88

Mainstream Test bench

CPU Intel Core i5 2500K (3.3GHz, 6MB L3 cache, quad-core, LGA1155)
Motherboard Intel DP67BG
Memory 8GB Corsair Vengeance (9-9-9-24-2T @ 1,600MHz)
Power Supply Corsair AX750
Monitor Dell 30in 3007WFP
Disk drive(s) Crucial RealSSD C300 (256GB)
Chassis Corsair Graphite Series 600T
Operating system Windows 7 SP1, 64-bit

Benchmarks

3DMark 11 Performance and Extreme presets
Aliens vs. Predator DX11, 1,280x720 and 1,920x1,080 resolutions, 2xAA, 8xAF, medium quality
Batman: Arkham City DX11, 1,280x720 and 1,920x1,080 resolutions, 4xAA, high quality
Battlefield 3 DX11, 1,280x720 and 1,920x1,080 resolutions, 0xMSAA, 16xAF, high quality
Crysis 2 DX11, 1,280x720 and 1,920x1,080 and resolutions, 0xAA, 16xAF, high quality
Just Cause 2 DX10, 1,280x720 and 1,920x1,080 resolutions, 4xAA, 16xAF, medium quality
Total War: Shogun 2 DX11, 1,280x720 and 1,920x1,080 resolutions, 4xAA, 8xAF, high quality
Power consumption To emulate real-world usage scenarios, we record mains power draw both when idle and whilst playing Total War: Shogun 2
Temperature To emulate real-world usage scenarios, we record GPU core temperature both when idle and whilst playing Total War: Shogun 2
Noise A PCE-318 noise level meter is placed at front of a Corsair 600T chassis with side panel on
Overclocking Pushing the graphics card as far as it will go, we increase speeds and re-run the Aliens vs. Predator benchmark
HEXUS bang4buck A custom metric used to evaluate comparative performance with price factored in