NVIDIA GeForce 840A vs AMD Radeon 540 Mobile

VS

NVIDIA GeForce 840A

AMD Radeon 540 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 2GB VRAM Radeon 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Lower TDP (33W vs 50W)

AMD Radeon 540 Mobile 's Advantages

Released 5 years late

Larger VRAM bandwidth (48.00GB/s vs 16.02GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon 540 Mobile +33%

1.151 TFLOPS

GeForce 840A

VS

Radeon 540 Mobile

Graphics Card

Mar 2014

Release Date

Mar 2019

GeForce 800A

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1029 MHz

Base Clock

1100 MHz

1124 MHz

Boost Clock

1124 MHz

1001 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

8

-

384

Shading Units

512

16

TMUs

32

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

17.98 GPixel/s

17.98 GTexel/s

Texture Rate

35.97 GTexel/s

-

FP16 (half)

1151 GFLOPS

863.2 GFLOPS

FP32 (float)

1151 GFLOPS

26.98 GFLOPS

FP64 (double)

71.94 GFLOPS

Board Design

33W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Lexa

-

GPU Variant

Lexa PRO (215-0904018)

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

Unknown

Transistors

2.2 billion

Unknown

Die Size

103 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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