AMD Radeon HD 6850 X2 vs ATI FirePro V7770

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM FirePro V7770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (134.4GB/s vs 33.60GB/s)

160 additional rendering cores

ATI FirePro V7770 's Advantages

Lower TDP (76W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +53%

1.536 TFLOPS

FirePro V7770

1 TFLOPS

Radeon HD 6850 X2

VS

FirePro V7770

Graphics Card

Sep 2011

Release Date

Jan 2012

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

33.60GB/s

Render Config

-

SM Count

-

12

Compute Units

10

960

Shading Units

800

48

TMUs

40

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

5.000 GPixel/s

38.40 GTexel/s

Texture Rate

25.00 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

1000 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

RV770

Barts PRO (215-0798006)

GPU Variant

RV770 XT (215-0669049)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.956 billion

255 mm²

Die Size

256 mm²

Board Design

254W

TDP

76W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI

2x 8-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

5.0

Shader Model

4.1

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