AMD Radeon RX 580 Mobile vs NVIDIA GeForce GT 620M

VS

AMD Radeon RX 580 Mobile

NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages

Released 4 years and 8 months late

Boost Clock1077MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 28.80GB/s)

2208 additional rendering cores

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +1861%

4.963 TFLOPS

GeForce GT 620M

0.253 TFLOPS

Radeon RX 580 Mobile

VS

GeForce GT 620M

Graphics Card

Apr 2017

Release Date

Aug 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

28.80GB/s

Render Config

36

Compute Units

-

SM Count

2

2304

Shading Units

96

144

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

2.640 GPixel/s

155.1 GTexel/s

Texture Rate

10.56 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

253.4 GFLOPS

310.2 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

GF108

Polaris 20M XT

GPU Variant

N13P-GLP-A1

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.585 billion

232 mm²

Die Size

116 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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