AMD Radeon HD 7950M vs AMD Radeon 620 Mobile

VS

AMD Radeon HD 7950M AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 14.40GB/s)

896 additional rendering cores

AMD Radeon 620 Mobile 's Advantages

Released 7 years and 1 months late

Boost Clock1024MHz

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 7950M +127%

1.792 TFLOPS

Radeon 620 Mobile

0.786 TFLOPS

Radeon HD 7950M

VS

Radeon 620 Mobile

Graphics Card

Apr 2012

Release Date

May 2019

London

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

1024 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

20

Compute Units

6

1280

Shading Units

384

80

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

22.40 GPixel/s

Pixel Rate

8.192 GPixel/s

56.00 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

1.792 TFLOPS

FP32 (float)

786.4 GFLOPS

-

FP64 (double)

49.15 GFLOPS

Graphics Processor

Wimbledon

GPU Name

Polaris 24

Wimbledon PRO

GPU Variant

Polaris 24 XL

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.55 billion

212 mm²

Die Size

125 mm²

Board Design

75W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.3

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