ATI Radeon HD 3850 X3 vs ATI FirePro V3900

VS

ATI Radeon HD 3850 X3

ATI FirePro V3900

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 1024MB VRAM FirePro V3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 X3 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 28.80GB/s)

ATI FirePro V3900 's Advantages

More VRAM (1024GB vs 512GB)

160 additional rendering cores

Lower TDP (50W vs 145W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

FirePro V3900 +45%

0.624 TFLOPS

Radeon HD 3850 X3

VS

FirePro V3900

Graphics Card

Unknown

Release Date

Feb 2012

Radeon R600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

6

-

320

Shading Units

480

16

TMUs

24

16

ROPs

8

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

5.200 GPixel/s

10.70 GTexel/s

Texture Rate

15.60 GTexel/s

-

428.2 GFLOPS

FP32 (float)

624.0 GFLOPS

-

Board Design

145W

TDP

50W

300 W

Suggested PSU

250 W

4x DVI

Outputs

1x DVI 1x DisplayPort 1.1

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

Turks

RV670 PRO (215-0708003)

GPU Variant

Turks GL

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.716 billion

192 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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