AMD Radeon HD 6990M vs AMD Radeon E8950

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 8GB VRAM Radeon E8950 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 2GB)

Larger VRAM bandwidth (192.0GB/s vs 115.2GB/s)

928 additional rendering cores

Lower TDP (95W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

Radeon E8950 +155%

4.096 TFLOPS

Radeon HD 6990M

VS

Radeon E8950

Graphics Card

Jul 2011

Release Date

Sep 2015

Vancouver

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1000 MHz

900 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

192.0GB/s

Render Config

-

SM Count

-

14

Compute Units

32

1120

Shading Units

2048

56

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

32.00 GPixel/s

40.04 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

4.096 TFLOPS

1.602 TFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

256.0 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Amethyst

Blackcomb XTX (216-0811030)

GPU Variant

E8950

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

5 billion

212 mm²

Die Size

366 mm²

Board Design

100W

TDP

95W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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