AMD Radeon HD 6970M vs AMD Radeon HD 6650M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M and 1024MB VRAM Radeon HD 6650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 25.60GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M +126%

1.306 TFLOPS

Radeon HD 6650M

0.576 TFLOPS

Radeon HD 6970M

VS

Radeon HD 6650M

Graphics Card

Jan 2011

Release Date

Jan 2011

Vancouver

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

12

Compute Units

6

960

Shading Units

480

48

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

4.800 GPixel/s

32.64 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

1306 GFLOPS

FP32 (float)

576.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

Whistler

Blackcomb XT (216-0811000)

GPU Variant

Whistler LE (216-0810028)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.716 billion

212 mm²

Die Size

118 mm²

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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