AMD Radeon 540X Mobile vs NVIDIA GeForce 805A

VS

AMD Radeon 540X Mobile

NVIDIA GeForce 805A

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540X Mobile and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540X Mobile 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 44% (1095MHz vs 758MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 16.02GB/s)

320 additional rendering cores

NVIDIA GeForce 805A 's Advantages

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 540X Mobile +285%

1.121 TFLOPS

GeForce 805A

0.291 TFLOPS

Radeon 540X Mobile

VS

GeForce 805A

Graphics Card

Feb 2019

Release Date

Jul 2014

Mobility Radeon

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

980 MHz

Base Clock

719 MHz

1095 MHz

Boost Clock

758 MHz

1000 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

32.00GB/s

Bandwidth

16.02GB/s

Render Config

8

Compute Units

-

512

Shading Units

192

32

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

17.52 GPixel/s

Pixel Rate

6.064 GPixel/s

35.04 GTexel/s

Texture Rate

12.13 GTexel/s

1121 GFLOPS

FP16 (half)

-

1121 GFLOPS

FP32 (float)

291.1 GFLOPS

70.08 GFLOPS

FP64 (double)

12.13 GFLOPS

Board Design

50W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

GK208

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

Kepler 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.02 billion

103 mm²

Die Size

87 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.4

Shader Model

5.1

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