AMD Radeon HD 6870 X2 vs ATI FirePro V7800

VS

AMD Radeon HD 6870 X2

ATI FirePro V7800

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 2GB VRAM FirePro V7800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Released 1 years and 3 months late

Larger VRAM bandwidth (134.4GB/s vs 128.0GB/s)

ATI FirePro V7800 's Advantages

More VRAM (2GB vs 1024GB)

320 additional rendering cores

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

FirePro V7800

2.016 TFLOPS

Radeon HD 6870 X2

VS

FirePro V7800

Graphics Card

Jul 2011

Release Date

Apr 2010

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

128.0GB/s

Render Config

14

Compute Units

18

-

1120

Shading Units

1440

56

TMUs

72

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

22.40 GPixel/s

50.40 GTexel/s

Texture Rate

50.40 GTexel/s

-

2.016 TFLOPS

FP32 (float)

2.016 TFLOPS

-

FP64 (double)

403.2 GFLOPS

Board Design

300W

TDP

150W

700 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x DVI 2x DisplayPort 1.1

-

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

Cypress

Barts XT (215-0798000)

GPU Variant

Cypress PRO GL

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

2.154 billion

255 mm²

Die Size

334 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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