AMD Radeon R9 M375 vs AMD Radeon RX 640 Mobile

VS

AMD Radeon R9 M375 AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M375 and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Released 4 years late

Boost Clock has increased by 20% (1218MHz vs 1015MHz)

Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 M375

1.299 TFLOPS

Radeon RX 640 Mobile +20%

1.559 TFLOPS

Radeon R9 M375

VS

Radeon RX 640 Mobile

Graphics Card

May 2015

Release Date

May 2019

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

1082 MHz

1015 MHz

Boost Clock

1218 MHz

900 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

10

Compute Units

10

640

Shading Units

640

40

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

16.24 GPixel/s

Pixel Rate

19.49 GPixel/s

40.60 GTexel/s

Texture Rate

48.72 GTexel/s

-

FP16 (half)

1.559 TFLOPS

1299 GFLOPS

FP32 (float)

1.559 TFLOPS

81.20 GFLOPS

FP64 (double)

97.44 GFLOPS

Graphics Processor

Tropo

GPU Name

Polaris 23

Tropo XT2

GPU Variant

Polaris 23 XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

2.2 billion

123 mm²

Die Size

103 mm²

Board Design

Unknown

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

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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