AMD Radeon RX Vega 56 Mobile vs AMD Radeon Pro Vega 20

VS

AMD Radeon RX Vega 56 Mobile AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX Vega 56 Mobile and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 Mobile 's Advantages

Boost Clock has increased by 1% (1301MHz vs 1283MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (409.6GB/s vs 189.4GB/s)

2304 additional rendering cores

AMD Radeon Pro Vega 20 's Advantages

Lower TDP (100W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 Mobile +183%

9.326 TFLOPS

Radeon Pro Vega 20

3.284 TFLOPS

Radeon RX Vega 56 Mobile

VS

Radeon Pro Vega 20

Graphics Card

Jun 2018

Release Date

Nov 2018

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1138 MHz

Base Clock

815 MHz

1301 MHz

Boost Clock

1283 MHz

800 MHz

Memory Clock

740 MHz

Memory

8GB

Memory Size

4GB

HBM2

Memory Type

HBM2

2048bit

Memory Bus

1024bit

409.6GB/s

Bandwidth

189.4GB/s

Render Config

-

SM Count

-

56

Compute Units

20

3584

Shading Units

1280

224

TMUs

80

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

Theoretical Performance

83.26 GPixel/s

Pixel Rate

41.06 GPixel/s

291.4 GTexel/s

Texture Rate

102.6 GTexel/s

18.65 TFLOPS

FP16 (half)

6.569 TFLOPS

9.326 TFLOPS

FP32 (float)

3.284 TFLOPS

582.8 GFLOPS

FP64 (double)

205.3 GFLOPS

Graphics Processor

Vega 10

GPU Name

Vega 12

Vega 10 XL (215-0894216)

GPU Variant

Vega 12 XTA

GCN 5.0

Architecture

GCN 5.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

12.5 billion

Transistors

Unknown

495 mm²

Die Size

Unknown

Board Design

120W

TDP

100W

-

Suggested PSU

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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