AMD Radeon R9 M390X vs NVIDIA GeForce GT 425M

VS

AMD Radeon R9 M390X NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 4 years and 8 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1952 additional rendering cores

NVIDIA GeForce GT 425M 's Advantages

Lower TDP (23W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +1277%

2.961 TFLOPS

GeForce GT 425M

0.215 TFLOPS

Radeon R9 M390X

VS

GeForce GT 425M

Graphics Card

May 2015

Release Date

Sep 2010

Crystal System

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

2

32

Compute Units

-

2048

Shading Units

96

128

TMUs

16

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

2.240 GPixel/s

92.54 GTexel/s

Texture Rate

8.960 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

215.0 GFLOPS

185.1 GFLOPS

FP64 (double)

17.92 GFLOPS

Graphics Processor

Amethyst

GPU Name

GF108

Amethyst XT

GPU Variant

N11P-GS-A1

GCN 3.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.585 billion

366 mm²

Die Size

116 mm²

Board Design

75W

TDP

23W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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