ATI FirePro V7900 vs AMD Radeon HD 6850 1440SP Edition

VS

ATI FirePro V7900

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)

Lower TDP (150W vs 151W)

AMD Radeon HD 6850 1440SP Edition 's Advantages

Released 1 years and 3 months late

160 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7900

1.856 TFLOPS

Radeon HD 6850 1440SP Edition +12%

2.088 TFLOPS

FirePro V7900

VS

Radeon HD 6850 1440SP Edition

Graphics Card

May 2011

Release Date

Aug 2012

FirePro

Generation

Northern Islands

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

256bit

160.0GB/s

Bandwidth

128.0GB/s

Render Config

20

Compute Units

18

-

1280

Shading Units

1440

80

TMUs

72

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

23.20 GPixel/s

58.00 GTexel/s

Texture Rate

52.20 GTexel/s

-

1.856 TFLOPS

FP32 (float)

2.088 TFLOPS

464.0 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

150W

TDP

151W

450 W

Suggested PSU

450 W

4x DisplayPort 1.2

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cayman

GPU Name

Cypress

Cayman PRO GL

GPU Variant

Cypress PRO (215-0735043)

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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