AMD Radeon Pro 555X vs AMD Radeon HD 7670M

VS

AMD Radeon Pro 555X

AMD Radeon HD 7670M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 1024MB VRAM Radeon HD 7670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 6 years and 5 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (94.08GB/s vs 28.80GB/s)

288 additional rendering cores

AMD Radeon HD 7670M 's Advantages

Lower TDP (20W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555X +141%

1.393 TFLOPS

Radeon HD 7670M

0.576 TFLOPS

Radeon Pro 555X

VS

Radeon HD 7670M

Graphics Card

Jul 2018

Release Date

Feb 2012

Radeon Pro Mac

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1470 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

94.08GB/s

Bandwidth

28.80GB/s

Render Config

12

Compute Units

6

-

768

Shading Units

480

48

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

9.600 GPixel/s

43.54 GTexel/s

Texture Rate

14.40 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

576.0 GFLOPS

87.07 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

20W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

Thames

Polaris 21 PRO

GPU Variant

Thames XT (216-0833000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.716 billion

123 mm²

Die Size

104 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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