AMD Radeon HD 7970M vs AMD Radeon HD 7750M

VS

AMD Radeon HD 7970M

AMD Radeon HD 7750M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 2GB VRAM Radeon HD 7750M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)

768 additional rendering cores

AMD Radeon HD 7750M 's Advantages

Lower TDP (28W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +269%

2.176 TFLOPS

Radeon HD 7750M

0.589 TFLOPS

Radeon HD 7970M

VS

Radeon HD 7750M

Graphics Card

Apr 2012

Release Date

Apr 2012

London

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

64.00GB/s

Render Config

20

Compute Units

8

-

1280

Shading Units

512

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

9.200 GPixel/s

68.00 GTexel/s

Texture Rate

18.40 GTexel/s

-

2.176 TFLOPS

FP32 (float)

588.8 GFLOPS

136.0 GFLOPS

FP64 (double)

36.80 GFLOPS

Board Design

100W

TDP

28W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Wimbledon

GPU Name

Chelsea

Wimbledon XT (216-0836036)

GPU Variant

Chelsea PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.5 billion

212 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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