AMD Radeon HD 6870 vs ATI FirePro V8800

VS

AMD Radeon HD 6870

ATI FirePro V8800

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 2GB VRAM FirePro V8800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Released 6 months late

Lower TDP (151W vs 208W)

ATI FirePro V8800 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (147.2GB/s vs 134.4GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

FirePro V8800 +30%

2.64 TFLOPS

Radeon HD 6870

VS

FirePro V8800

Graphics Card

Oct 2010

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

1150 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

147.2GB/s

Render Config

14

Compute Units

20

-

1120

Shading Units

1600

56

TMUs

80

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

26.40 GPixel/s

50.40 GTexel/s

Texture Rate

66.00 GTexel/s

-

2.016 TFLOPS

FP32 (float)

2.640 TFLOPS

-

FP64 (double)

528.0 GFLOPS

Board Design

151W

TDP

208W

450 W

Suggested PSU

550 W

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

Outputs

4x DisplayPort 1.1 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Barts

GPU Name

Cypress

Barts XT (215-0798000)

GPU Variant

Cypress XT 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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