AMD Radeon Pro 555X vs NVIDIA GeForce 405M

VS

AMD Radeon Pro 555X

NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 7 years and 6 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (94.08GB/s vs 12.80GB/s)

752 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555X +3471%

1.393 TFLOPS

GeForce 405M

0.039 TFLOPS

Radeon Pro 555X

VS

GeForce 405M

Graphics Card

Jul 2018

Release Date

Jan 2011

Radeon Pro Mac

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1470 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

94.08GB/s

Bandwidth

12.80GB/s

Render Config

12

Compute Units

-

SM Count

2

768

Shading Units

16

48

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

2.424 GPixel/s

43.54 GTexel/s

Texture Rate

4.848 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

38.78 GFLOPS

87.07 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

GT218

Polaris 21 PRO

GPU Variant

-

GCN 4.0

Architecture

Tesla 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.26 billion

123 mm²

Die Size

57 mm²

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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