NVIDIA GeForce GTX 870M vs AMD Radeon R9 M275X

VS

NVIDIA GeForce GTX 870M

AMD Radeon R9 M275X

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 2GB VRAM Radeon R9 M275X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock has increased by 5% (967MHz vs 925MHz)

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.0GB/s vs 72.00GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 870M +119%

2.599 TFLOPS

Radeon R9 M275X

1.184 TFLOPS

GeForce GTX 870M

VS

Radeon R9 M275X

Graphics Card

Mar 2014

Release Date

Jan 2014

GeForce 800M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

941 MHz

Base Clock

900 MHz

967 MHz

Boost Clock

925 MHz

1250 MHz

Memory Clock

1125 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

120.0GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

-

1344

Shading Units

640

112

TMUs

40

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

27.08 GPixel/s

Pixel Rate

14.80 GPixel/s

108.3 GTexel/s

Texture Rate

37.00 GTexel/s

-

2.599 TFLOPS

FP32 (float)

1184 GFLOPS

108.3 GFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Venus

N15E-GT-A2

GPU Variant

Venus XTX (216-0846033)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.5 billion

294 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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