AMD Radeon HD 6990 vs ATI FirePro V8800

VS

AMD Radeon HD 6990

ATI FirePro V8800

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 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 6990 's Advantages

Released 11 months late

Larger VRAM bandwidth (160.0GB/s vs 147.2GB/s)

ATI FirePro V8800 's Advantages

64 additional rendering cores

Lower TDP (208W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

FirePro V8800 +3%

2.64 TFLOPS

Radeon HD 6990

VS

FirePro V8800

Graphics Card

Mar 2011

Release Date

Apr 2010

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

147.2GB/s

Render Config

24

Compute Units

20

-

1536

Shading Units

1600

96

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

26.40 GPixel/s

79.68 GTexel/s

Texture Rate

66.00 GTexel/s

-

2.550 TFLOPS

FP32 (float)

2.640 TFLOPS

637.4 GFLOPS

FP64 (double)

528.0 GFLOPS

Board Design

375W

TDP

208W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

4x DisplayPort 1.1 1x S-Video

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Antilles

GPU Name

Cypress

Antilles XT (215-0807027)

GPU Variant

Cypress XT GL

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

2.154 billion

389 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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