AMD Radeon Pro Vega 20 vs AMD Radeon E9390 PCIe

VS

AMD Radeon Pro Vega 20 AMD Radeon E9390 PCIe

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 8GB VRAM Radeon E9390 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Boost Clock has increased by 18% (1283MHz vs 1089MHz)

Larger VRAM bandwidth (189.4GB/s vs 160.0GB/s)

AMD Radeon E9390 PCIe 's Advantages

Released 11 months late

More VRAM (8GB vs 4GB)

512 additional rendering cores

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20

3.284 TFLOPS

Radeon E9390 PCIe +18%

3.903 TFLOPS

Radeon Pro Vega 20

VS

Radeon E9390 PCIe

Graphics Card

Nov 2018

Release Date

Oct 2019

Radeon Pro Mac

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

815 MHz

Base Clock

713 MHz

1283 MHz

Boost Clock

1089 MHz

740 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

8GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

256bit

189.4GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

20

Compute Units

28

1280

Shading Units

1792

80

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

Theoretical Performance

41.06 GPixel/s

Pixel Rate

34.85 GPixel/s

102.6 GTexel/s

Texture Rate

122.0 GTexel/s

6.569 TFLOPS

FP16 (half)

3.903 TFLOPS

3.284 TFLOPS

FP32 (float)

3.903 TFLOPS

205.3 GFLOPS

FP64 (double)

243.9 GFLOPS

Graphics Processor

Vega 12

GPU Name

Ellesmere

Vega 12 XTA

GPU Variant

-

GCN 5.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

Unknown

Transistors

5.7 billion

Unknown

Die Size

232 mm²

Board Design

100W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

4x DisplayPort 1.4a

-

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.4

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