AMD Radeon Pro 555 vs NVIDIA GeForce 620M

VS

AMD Radeon Pro 555

NVIDIA GeForce 620M

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 and 1024MB VRAM GeForce 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555 's Advantages

Released 5 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.60GB/s vs 14.40GB/s)

672 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555 +444%

1.306 TFLOPS

GeForce 620M

0.24 TFLOPS

Radeon Pro 555

VS

GeForce 620M

Graphics Card

Jun 2017

Release Date

Mar 2012

Radeon Pro Mac

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1275 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

81.60GB/s

Bandwidth

14.40GB/s

Render Config

12

Compute Units

-

SM Count

2

768

Shading Units

96

48

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

2.500 GPixel/s

40.80 GTexel/s

Texture Rate

10.00 GTexel/s

1306 GFLOPS

FP16 (half)

-

1306 GFLOPS

FP32 (float)

240.0 GFLOPS

81.60 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

75W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

GF117

Polaris 21 PRO

GPU Variant

N13P-GLP

GCN 4.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

0.585 billion

123 mm²

Die Size

116 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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