AMD Radeon HD 6950 vs ATI FirePro V4900

VS

AMD Radeon HD 6950

ATI FirePro V4900

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 1024MB VRAM FirePro V4900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

928 additional rendering cores

ATI FirePro V4900 's Advantages

Released 11 months late

Lower TDP (75W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 6950 +193%

2.253 TFLOPS

FirePro V4900

0.768 TFLOPS

Radeon HD 6950

VS

FirePro V4900

Graphics Card

Dec 2010

Release Date

Nov 2011

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

22

Compute Units

6

-

1408

Shading Units

480

88

TMUs

24

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

6.400 GPixel/s

70.40 GTexel/s

Texture Rate

19.20 GTexel/s

-

2.253 TFLOPS

FP32 (float)

768.0 GFLOPS

563.2 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

75W

550 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 2x DisplayPort 1.1

2x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

Turks

Cayman PRO (215-0807019)

GPU Variant

Turks XT GL

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.716 billion

389 mm²

Die Size

118 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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