AMD Radeon HD 7670M vs AMD Radeon Pro 555

VS

AMD Radeon HD 7670M

AMD Radeon Pro 555

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7670M and 2GB VRAM Radeon Pro 555 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670M 's Advantages

Lower TDP (20W vs 75W)

AMD Radeon Pro 555 's Advantages

Released 5 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.60GB/s vs 28.80GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7670M

0.576 TFLOPS

Radeon Pro 555 +126%

1.306 TFLOPS

Radeon HD 7670M

VS

Radeon Pro 555

Graphics Card

Feb 2012

Release Date

Jun 2017

London

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

900 MHz

Memory Clock

1275 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

81.60GB/s

Render Config

6

Compute Units

12

-

480

Shading Units

768

24

TMUs

48

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

13.60 GPixel/s

14.40 GTexel/s

Texture Rate

40.80 GTexel/s

-

FP16 (half)

1306 GFLOPS

576.0 GFLOPS

FP32 (float)

1306 GFLOPS

-

FP64 (double)

81.60 GFLOPS

Board Design

20W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Thames

GPU Name

Polaris 21

Thames XT (216-0833000)

GPU Variant

Polaris 21 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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