AMD Radeon R9 A375 vs AMD Radeon R9 M290X

VS

AMD Radeon R9 A375

AMD Radeon R9 M290X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 A375 and 4GB VRAM Radeon R9 M290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 A375 's Advantages

Released 1 years late

Boost Clock has increased by 3% (925MHz vs 900MHz)

AMD Radeon R9 M290X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (153.6GB/s vs 72.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 A375

1.299 TFLOPS

Radeon R9 M290X +77%

2.304 TFLOPS

Radeon R9 A375

VS

Radeon R9 M290X

Graphics Card

Jan 2015

Release Date

Jan 2014

All-In-One

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

850 MHz

925 MHz

Boost Clock

900 MHz

1125 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

153.6GB/s

Render Config

10

Compute Units

20

-

640

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.24 GPixel/s

Pixel Rate

28.80 GPixel/s

40.60 GTexel/s

Texture Rate

72.00 GTexel/s

-

1299 GFLOPS

FP32 (float)

2.304 TFLOPS

-

FP64 (double)

144.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Neptune

Venus XTX (216-0846033)

GPU Variant

Neptune XT (216-0847000)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

2.8 billion

123 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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