AMD Radeon RX 540X Mobile vs NVIDIA GeForce GT 620M

VS

AMD Radeon RX 540X Mobile

NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X 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 540X Mobile 's Advantages

Released 5 years and 8 months late

Boost Clock1211MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 28.80GB/s)

416 additional rendering cores

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile +390%

1.24 TFLOPS

GeForce GT 620M

0.253 TFLOPS

Radeon RX 540X Mobile

VS

GeForce GT 620M

Graphics Card

Apr 2018

Release Date

Aug 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1124 MHz

Base Clock

-

1211 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

28.80GB/s

Render Config

8

Compute Units

-

SM Count

2

512

Shading Units

96

32

TMUs

16

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.38 GPixel/s

Pixel Rate

2.640 GPixel/s

38.75 GTexel/s

Texture Rate

10.56 GTexel/s

1240 GFLOPS

FP16 (half)

-

1240 GFLOPS

FP32 (float)

253.4 GFLOPS

77.50 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

50W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

GF108

Polaris 23 MXL

GPU Variant

N13P-GLP-A1

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.585 billion

103 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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