AMD Radeon R9 M295X Mac Edition vs AMD Radeon RX 640 Mobile

VS

AMD Radeon R9 M295X Mac Edition AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition 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 R9 M295X Mac Edition 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.3GB/s vs 48.00GB/s)

1408 additional rendering cores

AMD Radeon RX 640 Mobile 's Advantages

Released 4 years and 6 months late

Boost Clock1218MHz

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X Mac Edition +123%

3.482 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

Radeon R9 M295X Mac Edition

VS

Radeon RX 640 Mobile

Graphics Card

Nov 2014

Release Date

May 2019

Crystal System

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

1362 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

174.3GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

32

Compute Units

10

2048

Shading Units

640

128

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

19.49 GPixel/s

108.8 GTexel/s

Texture Rate

48.72 GTexel/s

3.482 TFLOPS

FP16 (half)

1.559 TFLOPS

3.482 TFLOPS

FP32 (float)

1.559 TFLOPS

217.6 GFLOPS

FP64 (double)

97.44 GFLOPS

Graphics Processor

Amethyst

GPU Name

Polaris 23

Amethyst XT

GPU Variant

Polaris 23 XT

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

2.2 billion

366 mm²

Die Size

103 mm²

Board Design

250W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.4

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