AMD Radeon HD 8870M vs NVIDIA GeForce GTX 880M

VS

AMD Radeon HD 8870M

NVIDIA GeForce GTX 880M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 8GB VRAM GeForce GTX 880M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 880M 's Advantages

Released 11 months late

Boost Clock has increased by 28% (993MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

GeForce GTX 880M +207%

3.05 TFLOPS

Radeon HD 8870M

VS

GeForce GTX 880M

Graphics Card

Apr 2013

Release Date

Mar 2014

Solar System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

725 MHz

Base Clock

954 MHz

775 MHz

Boost Clock

993 MHz

1125 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

160.0GB/s

Render Config

10

Compute Units

-

640

Shading Units

1536

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

31.78 GPixel/s

31.00 GTexel/s

Texture Rate

127.1 GTexel/s

-

992.0 GFLOPS

FP32 (float)

3.050 TFLOPS

62.00 GFLOPS

FP64 (double)

127.1 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

GK104

Venus XT (216-0846000)

GPU Variant

N15E-GX-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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