ATI FirePro V8800 vs AMD Radeon HD 6870

VS

ATI FirePro V8800

AMD Radeon HD 6870

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

Main Differences

ATI FirePro V8800 's Advantages

More VRAM (2GB vs 1024GB)

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

480 additional rendering cores

AMD Radeon HD 6870 's Advantages

Released 6 months late

Lower TDP (151W vs 208W)

Score

Benchmark

FP32 (float)

FirePro V8800 +30%

2.64 TFLOPS

Radeon HD 6870

2.016 TFLOPS

FirePro V8800

VS

Radeon HD 6870

Graphics Card

Apr 2010

Release Date

Oct 2010

FirePro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1150 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

147.2GB/s

Bandwidth

134.4GB/s

Render Config

20

Compute Units

14

-

1600

Shading Units

1120

80

TMUs

56

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

26.40 GPixel/s

Pixel Rate

28.80 GPixel/s

66.00 GTexel/s

Texture Rate

50.40 GTexel/s

-

2.640 TFLOPS

FP32 (float)

2.016 TFLOPS

528.0 GFLOPS

FP64 (double)

-

Board Design

208W

TDP

151W

550 W

Suggested PSU

450 W

4x DisplayPort 1.1 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cypress

GPU Name

Barts

Cypress XT GL

GPU Variant

Barts XT (215-0798000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.7 billion

334 mm²

Die Size

255 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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