AMD Radeon HD 7970M vs AMD Radeon Pro 555

VS

AMD Radeon HD 7970M

AMD Radeon Pro 555

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M 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 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 81.60GB/s)

512 additional rendering cores

AMD Radeon Pro 555 's Advantages

Released 5 years and 2 months late

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +66%

2.176 TFLOPS

Radeon Pro 555

1.306 TFLOPS

Radeon HD 7970M

VS

Radeon Pro 555

Graphics Card

Apr 2012

Release Date

Jun 2017

London

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1200 MHz

Memory Clock

1275 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

81.60GB/s

Render Config

20

Compute Units

12

-

1280

Shading Units

768

80

TMUs

48

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

13.60 GPixel/s

68.00 GTexel/s

Texture Rate

40.80 GTexel/s

-

FP16 (half)

1306 GFLOPS

2.176 TFLOPS

FP32 (float)

1306 GFLOPS

136.0 GFLOPS

FP64 (double)

81.60 GFLOPS

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Wimbledon

GPU Name

Polaris 21

Wimbledon XT (216-0836036)

GPU Variant

Polaris 21 PRO

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

3 billion

212 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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