AMD Radeon R9 A375 vs NVIDIA GeForce 840A

VS

AMD Radeon R9 A375

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 A375 and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 A375 's Advantages

Released 10 months late

Larger VRAM bandwidth (72.00GB/s vs 16.02GB/s)

256 additional rendering cores

NVIDIA GeForce 840A 's Advantages

Boost Clock has increased by 22% (1124MHz vs 925MHz)

Score

Benchmark

FP32 (float)

Radeon R9 A375 +50%

1.299 TFLOPS

GeForce 840A

0.863 TFLOPS

Radeon R9 A375

VS

GeForce 840A

Graphics Card

Jan 2015

Release Date

Mar 2014

All-In-One

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

1029 MHz

925 MHz

Boost Clock

1124 MHz

1125 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

16.02GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.24 GPixel/s

Pixel Rate

8.992 GPixel/s

40.60 GTexel/s

Texture Rate

17.98 GTexel/s

-

1299 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

GM108

Venus XTX (216-0846033)

GPU Variant

-

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

Unknown

123 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5 (5.1)

Shader Model

5.1

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