NVIDIA GeForce GT 625M vs AMD Radeon R9 M390X

VS

NVIDIA GeForce GT 625M AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 625M and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 625M 's Advantages

Lower TDP (15W vs 75W)

AMD Radeon R9 M390X 's Advantages

Released 2 years and 7 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1952 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 625M

0.24 TFLOPS

Radeon R9 M390X +1133%

2.961 TFLOPS

GeForce GT 625M

VS

Radeon R9 M390X

Graphics Card

Oct 2012

Release Date

May 2015

GeForce 600M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

160.0GB/s

Render Config

2

SM Count

-

Compute Units

32

96

Shading Units

2048

16

TMUs

128

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

23.14 GPixel/s

10.00 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

240.0 GFLOPS

FP32 (float)

2.961 TFLOPS

20.00 GFLOPS

FP64 (double)

185.1 GFLOPS

Graphics Processor

GF117

GPU Name

Amethyst

N13M-GS-B-A2

GPU Variant

Amethyst XT

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

5 billion

116 mm²

Die Size

366 mm²

Board Design

15W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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