AMD Radeon HD 7950M vs AMD Radeon HD 6850M

VS

AMD Radeon HD 7950M

AMD Radeon HD 6850M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 1024MB VRAM Radeon HD 6850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 25.60GB/s)

480 additional rendering cores

AMD Radeon HD 6850M 's Advantages

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 7950M +65%

1.792 TFLOPS

Radeon HD 6850M

1.08 TFLOPS

Radeon HD 7950M

VS

Radeon HD 6850M

Graphics Card

Apr 2012

Release Date

Jan 2011

London

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

10

-

1280

Shading Units

800

80

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

10.80 GPixel/s

56.00 GTexel/s

Texture Rate

27.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

1080 GFLOPS

-

Board Design

75W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Wimbledon

GPU Name

Granville

Wimbledon PRO

GPU Variant

Granville PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.04 billion

212 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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