AMD Radeon HD 6850 vs ATI FirePro V7800P

VS

AMD Radeon HD 6850

ATI FirePro V7800P

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 2GB VRAM FirePro V7800P to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 138W)

ATI FirePro V7800P 's Advantages

Released 7 months late

More VRAM (2GB vs 1024GB)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

FirePro V7800P +35%

2.016 TFLOPS

Radeon HD 6850

VS

FirePro V7800P

Graphics Card

Oct 2010

Release Date

May 2011

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

128.0GB/s

Render Config

12

Compute Units

18

-

960

Shading Units

1440

48

TMUs

72

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

24.80 GPixel/s

Pixel Rate

22.40 GPixel/s

37.20 GTexel/s

Texture Rate

50.40 GTexel/s

-

1488 GFLOPS

FP32 (float)

2.016 TFLOPS

-

FP64 (double)

403.2 GFLOPS

Board Design

127W

TDP

138W

300 W

Suggested PSU

300 W

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

Outputs

1x DisplayPort 1.1

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

Cypress

Barts PRO (215-0798006)

GPU Variant

Cypress PRO GL

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

2.154 billion

255 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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