AMD Radeon 550X Mobile vs NVIDIA GeForce 940M

VS

AMD Radeon 550X Mobile NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 2GB VRAM GeForce 940M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 3 years and 1 months late

Boost Clock has increased by 17% (1287MHz vs 1098MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

128 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +46%

1.647 TFLOPS

GeForce 940M

1.124 TFLOPS

Radeon 550X Mobile

VS

GeForce 940M

Graphics Card

Apr 2018

Release Date

Mar 2015

Mobility Radeon

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1100 MHz

Base Clock

1020 MHz

1287 MHz

Boost Clock

1098 MHz

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

512

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

Theoretical Performance

20.59 GPixel/s

Pixel Rate

17.57 GPixel/s

51.48 GTexel/s

Texture Rate

35.14 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

1124 GFLOPS

103.0 GFLOPS

FP64 (double)

35.14 GFLOPS

Graphics Processor

Polaris 23

GPU Name

GM107

Polaris 23 MXT

GPU Variant

N16S-GT1-KB-B

GCN 4.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.87 billion

103 mm²

Die Size

148 mm²

Board Design

50W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.4

Shader Model

5.1

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