AMD Radeon HD 7470M vs AMD Radeon HD 6630M

VS

AMD Radeon HD 7470M

AMD Radeon HD 6630M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7470M and 1024MB VRAM Radeon HD 6630M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7470M 's Advantages

Released 1 years late

Boost Clock800MHz

Lower TDP (25W vs 26W)

AMD Radeon HD 6630M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470M

0.256 TFLOPS

Radeon HD 6630M +87%

0.48 TFLOPS

Radeon HD 7470M

VS

Radeon HD 6630M

Graphics Card

Jan 2012

Release Date

Jan 2011

London

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

750 MHz

Base Clock

-

800 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

25.60GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

480

8

TMUs

24

4

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

4.000 GPixel/s

6.400 GTexel/s

Texture Rate

12.00 GTexel/s

-

256.0 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

25W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

Whistler

Seymour XT (216-0810084)

GPU Variant

Whistler LP

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.716 billion

67 mm²

Die Size

104 mm²

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

-

5.0

Shader Model

5.0

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