AMD Radeon HD 6850 X2 vs AMD FirePro W7000

VS

AMD Radeon HD 6850 X2

AMD FirePro W7000

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 4GB VRAM FirePro W7000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FirePro W7000 's Advantages

Released 9 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (153.6GB/s vs 134.4GB/s)

320 additional rendering cores

Lower TDP (150W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

FirePro W7000 +58%

2.432 TFLOPS

Radeon HD 6850 X2

VS

FirePro W7000

Graphics Card

Sep 2011

Release Date

Jun 2012

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

153.6GB/s

Render Config

12

Compute Units

20

-

960

Shading Units

1280

48

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

30.40 GPixel/s

38.40 GTexel/s

Texture Rate

76.00 GTexel/s

-

1.536 TFLOPS

FP32 (float)

2.432 TFLOPS

-

FP64 (double)

152.0 GFLOPS

Board Design

254W

TDP

150W

600 W

Suggested PSU

450 W

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

Outputs

4x DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

Pitcairn

Barts PRO (215-0798006)

GPU Variant

Pitcairn XT GL (215-0828073)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

2.8 billion

255 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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