AMD Radeon E8950 vs AMD Radeon HD 6990M

VS

AMD Radeon E8950

AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E8950 and 2GB VRAM Radeon HD 6990M 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 E8950 +155%

4.096 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

Radeon E8950

VS

Radeon HD 6990M

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

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

115.2GB/s

Render Config

32

Compute Units

14

-

2048

Shading Units

1120

128

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

22.88 GPixel/s

128.0 GTexel/s

Texture Rate

40.04 GTexel/s

4.096 TFLOPS

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

1.602 TFLOPS

256.0 GFLOPS

FP64 (double)

-

Board Design

95W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Blackcomb

E8950

GPU Variant

Blackcomb XTX (216-0811030)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

1.7 billion

366 mm²

Die Size

212 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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