AMD Radeon HD 6625M vs AMD Radeon HD 8970M

VS

AMD Radeon HD 6625M

AMD Radeon HD 8970M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 4GB VRAM Radeon HD 8970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6625M 's Advantages

Lower TDP (26W vs 100W)

AMD Radeon HD 8970M 's Advantages

Released 2 years and 4 months late

Boost Clock900MHz

More VRAM (4GB vs 1024GB)

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

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

Radeon HD 8970M +433%

2.304 TFLOPS

Radeon HD 6625M

VS

Radeon HD 8970M

Graphics Card

Jan 2011

Release Date

May 2013

Vancouver

Generation

Solar System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

800 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

153.6GB/s

Render Config

6

Compute Units

20

-

480

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

28.80 GPixel/s

10.80 GTexel/s

Texture Rate

72.00 GTexel/s

-

432.0 GFLOPS

FP32 (float)

2.304 TFLOPS

-

FP64 (double)

144.0 GFLOPS

Board Design

26W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Neptune

Whistler LP

GPU Variant

Neptune XT (216-0847000)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.8 billion

104 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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