NVIDIA GeForce 620M vs AMD Radeon Pro Vega 20

VS

NVIDIA GeForce 620M AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 100W)

AMD Radeon Pro Vega 20 's Advantages

Released 6 years and 8 months late

Boost Clock1283MHz

More VRAM (4GB vs 1GB)

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

1184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

Radeon Pro Vega 20 +1268%

3.284 TFLOPS

GeForce 620M

VS

Radeon Pro Vega 20

Graphics Card

Mar 2012

Release Date

Nov 2018

GeForce 600M

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

900 MHz

Memory Clock

740 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

1024bit

14.40GB/s

Bandwidth

189.4GB/s

Render Config

2

SM Count

-

Compute Units

20

96

Shading Units

1280

16

TMUs

80

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

41.06 GPixel/s

10.00 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

240.0 GFLOPS

FP32 (float)

3.284 TFLOPS

20.00 GFLOPS

FP64 (double)

205.3 GFLOPS

Graphics Processor

GF117

GPU Name

Vega 12

N13P-GLP

GPU Variant

Vega 12 XTA

Fermi 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.585 billion

Transistors

Unknown

116 mm²

Die Size

Unknown

Board Design

15W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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