AMD Radeon R9 M390X vs NVIDIA GeForce GTS 260M

VS

AMD Radeon R9 M390X

NVIDIA GeForce GTS 260M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM GeForce GTS 260M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 5 years and 11 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 57.60GB/s)

1952 additional rendering cores

NVIDIA GeForce GTS 260M 's Advantages

Lower TDP (38W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +1021%

2.961 TFLOPS

GeForce GTS 260M

0.264 TFLOPS

Radeon R9 M390X

VS

GeForce GTS 260M

Graphics Card

May 2015

Release Date

Jun 2009

Crystal System

Generation

GeForce 200M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

57.60GB/s

Render Config

32

Compute Units

-

SM Count

12

2048

Shading Units

96

128

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

4.400 GPixel/s

92.54 GTexel/s

Texture Rate

17.60 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

264.0 GFLOPS

185.1 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

38W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GT215

Amethyst XT

GPU Variant

N10E-GS

GCN 3.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.727 billion

366 mm²

Die Size

144 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

6.3

Shader Model

4.1

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