AMD Radeon HD 6870 X2 vs ATI FirePro V3700

VS

AMD Radeon HD 6870 X2

ATI FirePro V3700

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 256MB VRAM FirePro V3700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Released 2 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 15.20GB/s)

1080 additional rendering cores

ATI FirePro V3700 's Advantages

Lower TDP (32W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +3050%

2.016 TFLOPS

FirePro V3700

0.064 TFLOPS

Radeon HD 6870 X2

VS

FirePro V3700

Graphics Card

Jul 2011

Release Date

Aug 2008

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

950 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

134.4GB/s

Bandwidth

15.20GB/s

Render Config

14

Compute Units

2

-

1120

Shading Units

40

56

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

3.200 GPixel/s

50.40 GTexel/s

Texture Rate

3.200 GTexel/s

-

2.016 TFLOPS

FP32 (float)

64.00 GFLOPS

-

Board Design

300W

TDP

32W

700 W

Suggested PSU

200 W

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

Outputs

2x DVI

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

RV620

Barts XT (215-0798000)

GPU Variant

RV620 GL (215-0670004)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.181 billion

255 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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