AMD Radeon RX Vega M GH vs AMD Radeon Pro 455

VS

AMD Radeon RX Vega M GH

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH 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 RX Vega M GH 's Advantages

Released 1 years and 4 months late

Boost Clock1190MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (204.8GB/s vs 81.28GB/s)

768 additional rendering cores

AMD Radeon Pro 455 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX Vega M GH +178%

3.656 TFLOPS

Radeon Pro 455

1.313 TFLOPS

Radeon RX Vega M GH

VS

Radeon Pro 455

Graphics Card

Feb 2018

Release Date

Oct 2016

Vega

Generation

Radeon Pro Mac

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 3.0 x8

Clock Speeds

1063 MHz

Base Clock

-

1190 MHz

Boost Clock

-

800 MHz

Memory Clock

1270 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

128bit

204.8GB/s

Bandwidth

81.28GB/s

Render Config

24

Compute Units

12

-

1536

Shading Units

768

96

TMUs

48

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

76.16 GPixel/s

Pixel Rate

13.68 GPixel/s

114.2 GTexel/s

Texture Rate

41.04 GTexel/s

3.656 TFLOPS

FP16 (half)

1313 GFLOPS

3.656 TFLOPS

FP32 (float)

1313 GFLOPS

228.5 GFLOPS

FP64 (double)

82.08 GFLOPS

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Polaris 22

GPU Name

Baffin

VegaM XT (C7398773)

GPU Variant

Baffin PRO

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5 billion

Transistors

3 billion

208 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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