ATI Radeon HD 4870 X2 vs ATI FirePro V7750

VS

ATI Radeon HD 4870 X2

ATI FirePro V7750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 1024MB VRAM FirePro V7750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

480 additional rendering cores

ATI FirePro V7750 's Advantages

Released 7 months late

Lower TDP (76W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2 +134%

1.2 TFLOPS

FirePro V7750

0.512 TFLOPS

Radeon HD 4870 X2

VS

FirePro V7750

Graphics Card

Aug 2008

Release Date

Mar 2009

Radeon R700

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

6.400 GPixel/s

30.00 GTexel/s

Texture Rate

25.60 GTexel/s

-

1200 GFLOPS

FP32 (float)

512.0 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

286W

TDP

76W

600 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 2x DisplayPort 1.0

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

R700

GPU Name

RV730

R700 XT (215-0669045)

GPU Variant

RV730 GL XTX

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.514 billion

256 mm²

Die Size

146 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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