AMD Radeon RX 540X Mobile vs NVIDIA GeForce GT 645M

VS

AMD Radeon RX 540X Mobile NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile and 2GB VRAM GeForce GT 645M 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 6 months late

Boost Clock1211MHz

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

128 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile +127%

1.24 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon RX 540X Mobile

VS

GeForce GT 645M

Graphics Card

Apr 2018

Release Date

Oct 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1124 MHz

Base Clock

-

1211 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

8

Compute Units

-

512

Shading Units

384

32

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

19.38 GPixel/s

Pixel Rate

5.672 GPixel/s

38.75 GTexel/s

Texture Rate

22.69 GTexel/s

1240 GFLOPS

FP16 (half)

-

1240 GFLOPS

FP32 (float)

544.5 GFLOPS

77.50 GFLOPS

FP64 (double)

22.69 GFLOPS

Graphics Processor

Polaris 23

GPU Name

GK107

Polaris 23 MXL

GPU Variant

N13P-GS

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.27 billion

103 mm²

Die Size

118 mm²

Board Design

50W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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