AMD Radeon HD 7950M vs AMD Radeon Pro Vega 20

VS

AMD Radeon HD 7950M

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M 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 HD 7950M 's Advantages

Lower TDP (75W vs 100W)

AMD Radeon Pro Vega 20 's Advantages

Released 6 years and 7 months late

Boost Clock1283MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (189.4GB/s vs 128.0GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7950M

1.792 TFLOPS

Radeon Pro Vega 20 +83%

3.284 TFLOPS

Radeon HD 7950M

VS

Radeon Pro Vega 20

Graphics Card

Apr 2012

Release Date

Nov 2018

London

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

815 MHz

-

Boost Clock

1283 MHz

1000 MHz

Memory Clock

740 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

1024bit

128.0GB/s

Bandwidth

189.4GB/s

Render Config

20

Compute Units

20

-

1280

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

41.06 GPixel/s

56.00 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

1.792 TFLOPS

FP32 (float)

3.284 TFLOPS

-

FP64 (double)

205.3 GFLOPS

Board Design

75W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Wimbledon

GPU Name

Vega 12

Wimbledon PRO

GPU Variant

Vega 12 XTA

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

Unknown

212 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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