ATI Mobility Radeon HD 4850 X2 vs AMD Radeon HD 6950M

VS

ATI Mobility Radeon HD 4850 X2

AMD Radeon HD 6950M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 1024MB VRAM Radeon HD 6950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950M 's Advantages

Released 2 years late

Larger VRAM bandwidth (115.2GB/s vs 89.60GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon HD 6950M +39%

1.114 TFLOPS

Mobility Radeon HD 4850 X2

VS

Radeon HD 6950M

Graphics Card

Jan 2009

Release Date

Jan 2011

M9x

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

89.60GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

12

-

800

Shading Units

960

40

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

18.56 GPixel/s

20.00 GTexel/s

Texture Rate

27.84 GTexel/s

-

800.0 GFLOPS

FP32 (float)

1114 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M98

GPU Name

Blackcomb

M98 L2 (216-0732019)

GPU Variant

Blackcomb PRO

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

1.7 billion

256 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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