ATI FirePro V4900 vs ATI Radeon HD 3870

VS

ATI FirePro V4900

ATI Radeon HD 3870

We compared two Desktop platform GPUs: 1024MB VRAM FirePro V4900 and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V4900 's Advantages

Released 4 years late

More VRAM (1024GB vs 512GB)

160 additional rendering cores

Lower TDP (75W vs 106W)

ATI Radeon HD 3870 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

FirePro V4900 +54%

0.768 TFLOPS

Radeon HD 3870

0.497 TFLOPS

FirePro V4900

VS

Radeon HD 3870

Graphics Card

Nov 2011

Release Date

Nov 2007

FirePro

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

72.06GB/s

Render Config

6

Compute Units

4

-

480

Shading Units

320

24

TMUs

16

8

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

12.43 GPixel/s

19.20 GTexel/s

Texture Rate

12.43 GTexel/s

-

768.0 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

75W

TDP

106W

250 W

Suggested PSU

300 W

1x DVI 2x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Turks

GPU Name

RV670

Turks XT GL

GPU Variant

RV670 XT (215-0708005)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.666 billion

118 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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