AMD Radeon HD 8870M vs NVIDIA GeForce GTX 1080 Mobile

VS

AMD Radeon HD 8870M

NVIDIA GeForce GTX 1080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 8GB VRAM GeForce GTX 1080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Mobile 's Advantages

Released 3 years and 4 months late

Boost Clock has increased by 124% (1734MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 72.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

GeForce GTX 1080 Mobile +794%

8.878 TFLOPS

Radeon HD 8870M

VS

GeForce GTX 1080 Mobile

Graphics Card

Apr 2013

Release Date

Aug 2016

Solar System

Generation

GeForce 10 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

725 MHz

Base Clock

1556 MHz

775 MHz

Boost Clock

1734 MHz

1125 MHz

Memory Clock

1251 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

320.3GB/s

Render Config

10

Compute Units

-

SM Count

20

640

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

111.0 GPixel/s

31.00 GTexel/s

Texture Rate

277.4 GTexel/s

-

FP16 (half)

138.7 GFLOPS

992.0 GFLOPS

FP32 (float)

8.878 TFLOPS

62.00 GFLOPS

FP64 (double)

277.4 GFLOPS

Board Design

Unknown

TDP

150W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

GP104

Venus XT (216-0846000)

GPU Variant

N17E-G3-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

1.5 billion

Transistors

7.2 billion

123 mm²

Die Size

314 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

6.1

6.5 (5.1)

Shader Model

6.4

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