AMD Radeon HD 6990 vs ATI FirePro V8750

VS

AMD Radeon HD 6990

ATI FirePro V8750

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 2GB VRAM FirePro V8750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Released 2 years and 8 months late

Larger VRAM bandwidth (160.0GB/s vs 115.2GB/s)

736 additional rendering cores

ATI FirePro V8750 's Advantages

Lower TDP (151W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +112%

2.55 TFLOPS

FirePro V8750

1.2 TFLOPS

Radeon HD 6990

VS

FirePro V8750

Graphics Card

Mar 2011

Release Date

Jul 2008

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

115.2GB/s

Render Config

24

Compute Units

10

-

1536

Shading Units

800

96

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

12.00 GPixel/s

79.68 GTexel/s

Texture Rate

30.00 GTexel/s

-

2.550 TFLOPS

FP32 (float)

1200 GFLOPS

637.4 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

375W

TDP

151W

750 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 2x DisplayPort 1.0 1x S-Video

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Antilles

GPU Name

RV770

Antilles XT (215-0807027)

GPU Variant

RV770 XT (215-0669049)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.956 billion

389 mm²

Die Size

256 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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