NVIDIA GeForce 940A vs AMD Radeon 550X Mobile

VS

NVIDIA GeForce 940A

AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 940A and 4GB VRAM Radeon 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940A 's Advantages

Lower TDP (33W vs 50W)

AMD Radeon 550X Mobile 's Advantages

Released 3 years and 1 months late

Boost Clock has increased by 15% (1287MHz vs 1124MHz)

More VRAM (4GB vs 1024GB)

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 940A

0.863 TFLOPS

Radeon 550X Mobile +90%

1.647 TFLOPS

GeForce 940A

VS

Radeon 550X Mobile

Graphics Card

Mar 2015

Release Date

Apr 2018

GeForce 900A

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

1287 MHz

1001 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

640

16

TMUs

40

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

20.59 GPixel/s

17.98 GTexel/s

Texture Rate

51.48 GTexel/s

-

FP16 (half)

1.647 TFLOPS

863.2 GFLOPS

FP32 (float)

1.647 TFLOPS

26.98 GFLOPS

FP64 (double)

103.0 GFLOPS

Board Design

33W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Polaris 23

-

GPU Variant

Polaris 23 MXT

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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