AMD Radeon HD 8690M vs AMD Radeon Pro Vega 20

VS

AMD Radeon HD 8690M

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M 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 20 's Advantages

Released 5 years and 8 months late

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

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (189.4GB/s vs 32.00GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

Radeon Pro Vega 20 +426%

3.284 TFLOPS

Radeon HD 8690M

VS

Radeon Pro Vega 20

Graphics Card

Mar 2013

Release Date

Nov 2018

Solar System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

815 MHz

975 MHz

Boost Clock

1283 MHz

1000 MHz

Memory Clock

740 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

HBM2

64bit

Memory Bus

1024bit

32.00GB/s

Bandwidth

189.4GB/s

Render Config

5

Compute Units

20

-

320

Shading Units

1280

20

TMUs

80

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

41.06 GPixel/s

19.50 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

624.0 GFLOPS

FP32 (float)

3.284 TFLOPS

39.00 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

Vega 12

Sun S3 XT (216-0841009)

GPU Variant

Vega 12 XTA

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

Unknown

56 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.3

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