AMD Radeon Pro 555 vs AMD Radeon HD 8670A

VS

AMD Radeon Pro 555

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.60GB/s vs 16.00GB/s)

384 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555 +183%

1.306 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Radeon Pro 555

VS

Radeon HD 8670A

Graphics Card

Jun 2017

Release Date

Feb 2013

Radeon Pro Mac

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1275 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

81.60GB/s

Bandwidth

16.00GB/s

Render Config

12

Compute Units

6

-

768

Shading Units

384

48

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

4.800 GPixel/s

40.80 GTexel/s

Texture Rate

14.40 GTexel/s

1306 GFLOPS

FP16 (half)

-

1306 GFLOPS

FP32 (float)

460.8 GFLOPS

81.60 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

75W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

Mars

Polaris 21 PRO

GPU Variant

Mars XT

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

0.95 billion

123 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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