AMD Radeon HD 6990 vs ATI FirePro V3900

VS

AMD Radeon HD 6990

ATI FirePro V3900

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 1024MB VRAM FirePro V3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)

1056 additional rendering cores

ATI FirePro V3900 's Advantages

Released 11 months late

Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +308%

2.55 TFLOPS

FirePro V3900

0.624 TFLOPS

Radeon HD 6990

VS

FirePro V3900

Graphics Card

Mar 2011

Release Date

Feb 2012

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

28.80GB/s

Render Config

24

Compute Units

6

-

1536

Shading Units

480

96

TMUs

24

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

5.200 GPixel/s

79.68 GTexel/s

Texture Rate

15.60 GTexel/s

-

2.550 TFLOPS

FP32 (float)

624.0 GFLOPS

637.4 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

50W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x DisplayPort 1.1

2x 8-pin

Power Connectors

None

Graphics Processor

Antilles

GPU Name

Turks

Antilles XT (215-0807027)

GPU Variant

Turks GL

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.716 billion

389 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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