NVIDIA GeForce GTX 880M vs AMD Radeon R9 M280X

VS

NVIDIA GeForce GTX 880M

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 880M and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 880M 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (160.0GB/s vs 88.00GB/s)

640 additional rendering cores

AMD Radeon R9 M280X 's Advantages

Released 11 months late

Boost Clock has increased by 1% (1000MHz vs 993MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 880M +70%

3.05 TFLOPS

Radeon R9 M280X

1.792 TFLOPS

GeForce GTX 880M

VS

Radeon R9 M280X

Graphics Card

Mar 2014

Release Date

Feb 2015

GeForce 800M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

954 MHz

Base Clock

900 MHz

993 MHz

Boost Clock

1000 MHz

1250 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

14

-

1536

Shading Units

896

128

TMUs

56

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.78 GPixel/s

Pixel Rate

16.00 GPixel/s

127.1 GTexel/s

Texture Rate

56.00 GTexel/s

-

3.050 TFLOPS

FP32 (float)

1.792 TFLOPS

127.1 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

122W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Saturn

N15E-GX-A2

GPU Variant

Saturn XT (216-0843024)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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