AMD Radeon R9 M275 vs AMD Radeon R9 M395X

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275 and 8GB VRAM Radeon R9 M395X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275 's Advantages

Boost Clock925MHz

AMD Radeon R9 M395X 's Advantages

Released 1 years and 4 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M275

1.184 TFLOPS

Radeon R9 M395X +150%

2.961 TFLOPS

Radeon R9 M275

VS

Radeon R9 M395X

Graphics Card

Jan 2014

Release Date

May 2015

Gem System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1000 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

10

Compute Units

32

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

14.80 GPixel/s

Pixel Rate

23.14 GPixel/s

37.00 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

1184 GFLOPS

FP32 (float)

2.961 TFLOPS

74.00 GFLOPS

FP64 (double)

185.1 GFLOPS

Graphics Processor

Venus

GPU Name

Amethyst

Venus XTX (216-0846033)

GPU Variant

Amethyst XT

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

5 billion

123 mm²

Die Size

366 mm²

Board Design

Unknown

TDP

75W

-

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

2.0

1.2.170

Vulkan

1.2

-

CUDA

-

6.5 (5.1)

Shader Model

6.3

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