AMD Radeon E8950 vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon E8950

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 8GB VRAM Radeon E8950 and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8950 's Advantages

Released 4 years and 2 months late

Boost Clock1000MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (192.0GB/s vs 70.40GB/s)

1248 additional rendering cores

Lower TDP (95W vs 100W)

Score

Benchmark

FP32 (float)

Radeon E8950 +220%

4.096 TFLOPS

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon E8950

VS

Radeon HD 6990M Rebrand

Graphics Card

Sep 2015

Release Date

Jul 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

735 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1100 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

70.40GB/s

Render Config

32

Compute Units

14

-

2048

Shading Units

800

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

12.80 GPixel/s

128.0 GTexel/s

Texture Rate

32.00 GTexel/s

4.096 TFLOPS

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

1280 GFLOPS

256.0 GFLOPS

FP64 (double)

-

Board Design

95W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Broadway

E8950

GPU Variant

Broadway XTX

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

1.04 billion

366 mm²

Die Size

166 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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