AMD Radeon HD 6990M Rebrand vs AMD FirePro M3900

VS

AMD Radeon HD 6990M Rebrand AMD FirePro M3900

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM FirePro M3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Released 9 months late

Larger VRAM bandwidth (70.40GB/s vs 14.40GB/s)

640 additional rendering cores

AMD FirePro M3900 's Advantages

Lower TDP (20W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +433%

1.28 TFLOPS

FirePro M3900

0.24 TFLOPS

Radeon HD 6990M Rebrand

VS

FirePro M3900

Graphics Card

Jul 2011

Release Date

Oct 2010

Vancouver

Generation

FirePro Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1100 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

14

Compute Units

2

800

Shading Units

160

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

3.000 GPixel/s

32.00 GTexel/s

Texture Rate

6.000 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

240.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Broadway

GPU Name

Seymour

Broadway XTX

GPU Variant

Seymour GL

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.37 billion

166 mm²

Die Size

67 mm²

Board Design

100W

TDP

20W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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

-

CUDA

-

5.0

Shader Model

5.0

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