AMD Radeon HD 6625M vs AMD Radeon Pro 455

VS

AMD Radeon HD 6625M

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 2GB VRAM Radeon Pro 455 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 35W)

AMD Radeon Pro 455 's Advantages

Released 5 years and 9 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.28GB/s vs 25.60GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

Radeon Pro 455 +203%

1.313 TFLOPS

Radeon HD 6625M

VS

Radeon Pro 455

Graphics Card

Jan 2011

Release Date

Oct 2016

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

800 MHz

Memory Clock

1270 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

81.28GB/s

Render Config

6

Compute Units

12

-

480

Shading Units

768

24

TMUs

48

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

13.68 GPixel/s

10.80 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

432.0 GFLOPS

FP32 (float)

1313 GFLOPS

-

FP64 (double)

82.08 GFLOPS

Board Design

26W

TDP

35W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Baffin

Whistler LP

GPU Variant

Baffin PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

3 billion

104 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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