AMD Radeon HD 6430M vs AMD Radeon Pro Vega 20

VS

AMD Radeon HD 6430M

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6430M 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 7 years and 10 months late

Boost Clock1283MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (189.4GB/s vs 12.80GB/s)

1120 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6430M

0.153 TFLOPS

Radeon Pro Vega 20 +2046%

3.284 TFLOPS

Radeon HD 6430M

VS

Radeon Pro Vega 20

Graphics Card

Jan 2011

Release Date

Nov 2018

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

815 MHz

-

Boost Clock

1283 MHz

800 MHz

Memory Clock

740 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

1024bit

12.80GB/s

Bandwidth

189.4GB/s

Render Config

2

Compute Units

20

-

160

Shading Units

1280

8

TMUs

80

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

1.920 GPixel/s

Pixel Rate

41.06 GPixel/s

3.840 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

153.6 GFLOPS

FP32 (float)

3.284 TFLOPS

-

FP64 (double)

205.3 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

Vega 12

Seymour LP S3 (216-0809020)

GPU Variant

Vega 12 XTA

TeraScale 2

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

Unknown

67 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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