AMD Radeon R9 M295X vs NVIDIA GeForce GTX 880M

VS

AMD Radeon R9 M295X

NVIDIA GeForce GTX 880M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X and 8GB VRAM GeForce GTX 880M 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

512 additional rendering cores

NVIDIA GeForce GTX 880M 's Advantages

Boost Clock993MHz

More VRAM (8GB vs 4GB)

Lower TDP (122W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X

2.961 TFLOPS

GeForce GTX 880M +3%

3.05 TFLOPS

Radeon R9 M295X

VS

GeForce GTX 880M

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

954 MHz

-

Boost Clock

993 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

-

2048

Shading Units

1536

128

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

31.78 GPixel/s

92.54 GTexel/s

Texture Rate

127.1 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

3.050 TFLOPS

185.1 GFLOPS

FP64 (double)

127.1 GFLOPS

Board Design

250W

TDP

122W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GK104

Amethyst XT

GPU Variant

N15E-GX-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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