AMD Radeon R9 M270X vs NVIDIA GeForce GTX 870M

VS

AMD Radeon R9 M270X

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M270X and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M270X 's Advantages

Released 11 months late

Boost Clock has increased by 3% (1000MHz vs 967MHz)

NVIDIA GeForce GTX 870M 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.0GB/s vs 88.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M270X

1.536 TFLOPS

GeForce GTX 870M +69%

2.599 TFLOPS

Radeon R9 M270X

VS

GeForce GTX 870M

Graphics Card

Feb 2015

Release Date

Mar 2014

Gem System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

900 MHz

Base Clock

941 MHz

1000 MHz

Boost Clock

967 MHz

1375 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

88.00GB/s

Bandwidth

120.0GB/s

Render Config

12

Compute Units

-

768

Shading Units

1344

48

TMUs

112

16

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

27.08 GPixel/s

48.00 GTexel/s

Texture Rate

108.3 GTexel/s

-

1.536 TFLOPS

FP32 (float)

2.599 TFLOPS

96.00 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Saturn

GPU Name

GK104

Saturn PRO (216-0843044)

GPU Variant

N15E-GT-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

3.54 billion

160 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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