AMD Radeon Pro Vega 20 vs AMD Radeon HD 8670M

VS

AMD Radeon Pro Vega 20 AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Released 5 years and 8 months late

Boost Clock has increased by 32% (1283MHz vs 975MHz)

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (189.4GB/s vs 14.40GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +426%

3.284 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

Radeon Pro Vega 20

VS

Radeon HD 8670M

Graphics Card

Nov 2018

Release Date

Mar 2013

Radeon Pro Mac

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

815 MHz

Base Clock

925 MHz

1283 MHz

Boost Clock

975 MHz

740 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

HBM2

Memory Type

DDR3

1024bit

Memory Bus

64bit

189.4GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

20

Compute Units

5

1280

Shading Units

320

80

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

41.06 GPixel/s

Pixel Rate

7.800 GPixel/s

102.6 GTexel/s

Texture Rate

19.50 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

624.0 GFLOPS

205.3 GFLOPS

FP64 (double)

39.00 GFLOPS

Graphics Processor

Vega 12

GPU Name

Sun

Vega 12 XTA

GPU Variant

Sun S3 XT (216-0841009)

GCN 5.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

Unknown

Transistors

0.69 billion

Unknown

Die Size

56 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.3

Shader Model

6.5 (5.1)

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