AMD Radeon HD 6850 X2 vs ATI FireGL V7700

VS

AMD Radeon HD 6850 X2

ATI FireGL V7700

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 512MB VRAM FireGL V7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Released 3 years and 10 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 72.06GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +209%

1.536 TFLOPS

FireGL V7700

0.497 TFLOPS

Radeon HD 6850 X2

VS

FireGL V7700

Graphics Card

Sep 2011

Release Date

Nov 2007

Northern Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1126 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

72.06GB/s

Render Config

12

Compute Units

4

-

960

Shading Units

320

48

TMUs

16

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

12.43 GPixel/s

38.40 GTexel/s

Texture Rate

12.43 GTexel/s

-

1.536 TFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

254W

TDP

Unknown

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x DisplayPort 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

RV670

Barts PRO (215-0798006)

GPU Variant

RV670 GL

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.666 billion

255 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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