AMD Radeon R9 M390X vs NVIDIA GeForce GTX 280M

VS

AMD Radeon R9 M390X NVIDIA GeForce GTX 280M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM GeForce GTX 280M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 6 years and 2 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 60.80GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390X +691%

2.961 TFLOPS

GeForce GTX 280M

0.374 TFLOPS

Radeon R9 M390X

VS

GeForce GTX 280M

Graphics Card

May 2015

Release Date

Mar 2009

Crystal System

Generation

GeForce 200M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-IV

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

950 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

60.80GB/s

Render Config

-

SM Count

16

32

Compute Units

-

2048

Shading Units

128

TMUs

64

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

9.360 GPixel/s

92.54 GTexel/s

Texture Rate

37.44 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

374.5 GFLOPS

185.1 GFLOPS

FP64 (double)

-

Graphics Processor

Amethyst

GPU Name

G92

Amethyst XT

GPU Variant

N10E-GTX

GCN 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

5 billion

Transistors

0.754 billion

366 mm²

Die Size

324 mm²

Board Design

75W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.3

Shader Model

4.0

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