NVIDIA GeForce GTX 1080 Mobile vs AMD Radeon HD 6870M

VS

NVIDIA GeForce GTX 1080 Mobile

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1080 Mobile and 1024MB VRAM Radeon HD 6870M 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 5 years and 7 months late

Boost Clock1734MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (320.3GB/s vs 64.00GB/s)

1760 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Mobile +722%

8.878 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

GeForce GTX 1080 Mobile

VS

Radeon HD 6870M

Graphics Card

Aug 2016

Release Date

Jan 2011

GeForce 10 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1556 MHz

Base Clock

-

1734 MHz

Boost Clock

-

1251 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

128bit

320.3GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

20

SM Count

-

2560

Shading Units

800

160

TMUs

40

64

ROPs

16

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

111.0 GPixel/s

Pixel Rate

10.80 GPixel/s

277.4 GTexel/s

Texture Rate

27.00 GTexel/s

138.7 GFLOPS

FP16 (half)

-

8.878 TFLOPS

FP32 (float)

1080 GFLOPS

277.4 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GP104

GPU Name

Granville

N17E-G3-A1

GPU Variant

Granville XT (216-0769024)

Pascal

Architecture

TeraScale 2

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

7.2 billion

Transistors

1.04 billion

314 mm²

Die Size

166 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

6.1

CUDA

-

6.4

Shader Model

5.0

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