AMD Radeon R7 M340 vs AMD Radeon RX 540X Mobile

VS

AMD Radeon R7 M340 AMD Radeon RX 540X Mobile

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

0.549 TFLOPS

Radeon RX 540X Mobile +125%

1.24 TFLOPS

Radeon R7 M340

VS

Radeon RX 540X Mobile

Graphics Card

Dec 2015

Release Date

Apr 2018

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

620 MHz

Base Clock

1124 MHz

715 MHz

Boost Clock

1211 MHz

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

6

Compute Units

8

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

5.720 GPixel/s

Pixel Rate

19.38 GPixel/s

17.16 GTexel/s

Texture Rate

38.75 GTexel/s

-

FP16 (half)

1240 GFLOPS

549.1 GFLOPS

FP32 (float)

1240 GFLOPS

34.32 GFLOPS

FP64 (double)

77.50 GFLOPS

Graphics Processor

Opal

GPU Name

Polaris 23

Opal PRO

GPU Variant

Polaris 23 MXL

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

2.2 billion

77 mm²

Die Size

103 mm²

Board Design

Unknown

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

CUDA

-

6.5 (5.1)

Shader Model

6.4

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