AMD Radeon 550X Mobile vs NVIDIA GeForce 405M

VS

AMD Radeon 550X Mobile NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 7 years and 3 months late

Boost Clock1287MHz

Larger VRAM bandwidth (48.00GB/s vs 12.80GB/s)

624 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +4123%

1.647 TFLOPS

GeForce 405M

0.039 TFLOPS

Radeon 550X Mobile

VS

GeForce 405M

Graphics Card

Apr 2018

Release Date

Jan 2011

Mobility Radeon

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

10

Compute Units

-

640

Shading Units

16

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

20.59 GPixel/s

Pixel Rate

2.424 GPixel/s

51.48 GTexel/s

Texture Rate

4.848 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

38.78 GFLOPS

103.0 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 23

GPU Name

GT218

Polaris 23 MXT

GPU Variant

-

GCN 4.0

Architecture

Tesla 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.26 billion

103 mm²

Die Size

57 mm²

Board Design

50W

TDP

14W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

6.4

Shader Model

4.1

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