AMD Radeon HD 7970M vs AMD Radeon HD 7630M

VS

AMD Radeon HD 7970M

AMD Radeon HD 7630M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 1024MB VRAM Radeon HD 7630M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

800 additional rendering cores

AMD Radeon HD 7630M 's Advantages

Lower TDP (20W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +403%

2.176 TFLOPS

Radeon HD 7630M

0.432 TFLOPS

Radeon HD 7970M

VS

Radeon HD 7630M

Graphics Card

Apr 2012

Release Date

Jan 2012

London

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

6

-

1280

Shading Units

480

80

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

3.600 GPixel/s

68.00 GTexel/s

Texture Rate

10.80 GTexel/s

-

2.176 TFLOPS

FP32 (float)

432.0 GFLOPS

136.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

20W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Wimbledon

GPU Name

Thames

Wimbledon XT (216-0836036)

GPU Variant

Thames LP

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.716 billion

212 mm²

Die Size

104 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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