NVIDIA GeForce 840A vs AMD Radeon RX 560X Mobile

VS

NVIDIA GeForce 840A

AMD Radeon RX 560X Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 4GB VRAM Radeon RX 560X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Boost Clock1124MHz

Lower TDP (33W vs 65W)

AMD Radeon RX 560X Mobile 's Advantages

Released 4 years and 10 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (112.0GB/s vs 16.02GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon RX 560X Mobile +153%

2.192 TFLOPS

GeForce 840A

VS

Radeon RX 560X Mobile

Graphics Card

Mar 2014

Release Date

Jan 2019

GeForce 800A

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

112.0GB/s

Render Config

-

Compute Units

14

-

384

Shading Units

896

16

TMUs

56

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

19.57 GPixel/s

17.98 GTexel/s

Texture Rate

68.49 GTexel/s

-

FP16 (half)

2.192 TFLOPS

863.2 GFLOPS

FP32 (float)

2.192 TFLOPS

26.98 GFLOPS

FP64 (double)

137.0 GFLOPS

Board Design

33W

TDP

65W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Polaris 31

-

GPU Variant

Polaris 31 MXL

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

Unknown

Transistors

3 billion

Unknown

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.4

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