AMD Radeon Pro Vega 64 vs AMD Radeon Pro Vega 20

VS

AMD Radeon Pro Vega 64

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 16GB VRAM Radeon Pro Vega 64 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 Pro Vega 64 's Advantages

Boost Clock has increased by 5% (1350MHz vs 1283MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (402.4GB/s vs 189.4GB/s)

2816 additional rendering cores

AMD Radeon Pro Vega 20 's Advantages

Released 1 years and 5 months late

Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 64 +236%

11.06 TFLOPS

Radeon Pro Vega 20

3.284 TFLOPS

Radeon Pro Vega 64

VS

Radeon Pro Vega 20

Graphics Card

Jun 2017

Release Date

Nov 2018

Radeon Pro Mac

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1250 MHz

Base Clock

815 MHz

1350 MHz

Boost Clock

1283 MHz

786 MHz

Memory Clock

740 MHz

Memory

16GB

Memory Size

4GB

HBM2

Memory Type

HBM2

2048bit

Memory Bus

1024bit

402.4GB/s

Bandwidth

189.4GB/s

Render Config

64

Compute Units

20

-

4096

Shading Units

1280

256

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

86.40 GPixel/s

Pixel Rate

41.06 GPixel/s

345.6 GTexel/s

Texture Rate

102.6 GTexel/s

22.12 TFLOPS

FP16 (half)

6.569 TFLOPS

11.06 TFLOPS

FP32 (float)

3.284 TFLOPS

691.2 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

250W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Vega 10

GPU Name

Vega 12

Vega 10 XT (215-0894200)

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

Graphics Features

12 (12_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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