AMD Radeon R9 M295X vs NVIDIA GeForce GTX 870M

VS

AMD Radeon R9 M295X

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X 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 M295X 's Advantages

Released 8 months late

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (160.0GB/s vs 120.0GB/s)

704 additional rendering cores

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock967MHz

Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X +13%

2.961 TFLOPS

GeForce GTX 870M

2.599 TFLOPS

Radeon R9 M295X

VS

GeForce GTX 870M

Graphics Card

Nov 2014

Release Date

Mar 2014

Crystal System

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

941 MHz

-

Boost Clock

967 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

160.0GB/s

Bandwidth

120.0GB/s

Render Config

32

Compute Units

-

2048

Shading Units

1344

128

TMUs

112

32

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

27.08 GPixel/s

92.54 GTexel/s

Texture Rate

108.3 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

2.599 TFLOPS

185.1 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

250W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GK104

Amethyst XT

GPU Variant

N15E-GT-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

3.54 billion

366 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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