AMD Radeon HD 6870 X2 vs ATI FirePro V3750

VS

AMD Radeon HD 6870 X2

ATI FirePro V3750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 256MB VRAM FirePro V3750 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 10 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 22.40GB/s)

800 additional rendering cores

ATI FirePro V3750 's Advantages

Lower TDP (48W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +472%

2.016 TFLOPS

FirePro V3750

0.352 TFLOPS

Radeon HD 6870 X2

VS

FirePro V3750

Graphics Card

Jul 2011

Release Date

Sep 2008

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

22.40GB/s

Render Config

14

Compute Units

4

-

1120

Shading Units

320

56

TMUs

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

4.400 GPixel/s

50.40 GTexel/s

Texture Rate

17.60 GTexel/s

-

2.016 TFLOPS

FP32 (float)

352.0 GFLOPS

-

Board Design

300W

TDP

48W

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 2x DisplayPort 1.0

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

RV730

Barts XT (215-0798000)

GPU Variant

RV730 PRO (215-0719056)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.514 billion

255 mm²

Die Size

146 mm²

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

-

5.0

Shader Model

4.1

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