ATI FirePro V3900 vs ATI Radeon HD 4855

VS

ATI FirePro V3900

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 1024MB VRAM FirePro V3900 and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V3900 's Advantages

Released 2 years and 1 months late

More VRAM (1024GB vs 512GB)

Lower TDP (50W vs 110W)

ATI Radeon HD 4855 's Advantages

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

160 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V3900

0.624 TFLOPS

Radeon HD 4855 +17%

0.736 TFLOPS

FirePro V3900

VS

Radeon HD 4855

Graphics Card

Feb 2012

Release Date

Jan 2010

FirePro

Generation

Radeon R700

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

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

115.2GB/s

Render Config

6

Compute Units

8

-

480

Shading Units

640

24

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

9.200 GPixel/s

15.60 GTexel/s

Texture Rate

18.40 GTexel/s

-

624.0 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

50W

TDP

110W

250 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

1x 6-pin

Graphics Processor

Turks

GPU Name

RV770

Turks GL

GPU Variant

RV770 PRO (215-0669065)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.956 billion

118 mm²

Die Size

256 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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