AMD Radeon RX 540X Mobile vs AMD Radeon R7 M340

VS

AMD Radeon RX 540X Mobile AMD Radeon R7 M340

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile and 1024MB VRAM Radeon R7 M340 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 2 years and 4 months late

Boost Clock has increased by 69% (1211MHz vs 715MHz)

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile +125%

1.24 TFLOPS

Radeon R7 M340

0.549 TFLOPS

Radeon RX 540X Mobile

VS

Radeon R7 M340

Graphics Card

Apr 2018

Release Date

Dec 2015

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1124 MHz

Base Clock

620 MHz

1211 MHz

Boost Clock

715 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

8

Compute Units

6

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

19.38 GPixel/s

Pixel Rate

5.720 GPixel/s

38.75 GTexel/s

Texture Rate

17.16 GTexel/s

1240 GFLOPS

FP16 (half)

-

1240 GFLOPS

FP32 (float)

549.1 GFLOPS

77.50 GFLOPS

FP64 (double)

34.32 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Opal

Polaris 23 MXL

GPU Variant

Opal PRO

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.95 billion

103 mm²

Die Size

77 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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