AMD Radeon HD 6870M vs NVIDIA GeForce GTX 1080 Max Q

VS

AMD Radeon HD 6870M

NVIDIA GeForce GTX 1080 Max Q

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 8GB VRAM GeForce GTX 1080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 150W)

NVIDIA GeForce GTX 1080 Max Q 's Advantages

Released 6 years and 5 months late

Boost Clock1468MHz

More VRAM (8GB vs 1024GB)

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

1760 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

GeForce GTX 1080 Max Q +595%

7.516 TFLOPS

Radeon HD 6870M

VS

GeForce GTX 1080 Max Q

Graphics Card

Jan 2011

Release Date

Jun 2017

Vancouver

Generation

GeForce 10 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1290 MHz

-

Boost Clock

1468 MHz

1000 MHz

Memory Clock

1251 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

320.3GB/s

Render Config

10

Compute Units

-

SM Count

20

800

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

8 KB (per CU)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

93.95 GPixel/s

27.00 GTexel/s

Texture Rate

234.9 GTexel/s

-

FP16 (half)

117.4 GFLOPS

1080 GFLOPS

FP32 (float)

7.516 TFLOPS

-

FP64 (double)

234.9 GFLOPS

Board Design

50W

TDP

150W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Granville

GPU Name

GP104

Granville XT (216-0769024)

GPU Variant

N17E-G3-A1

TeraScale 2

Architecture

Pascal

TSMC

Foundry

TSMC

40 nm

Process Size

16 nm

1.04 billion

Transistors

7.2 billion

166 mm²

Die Size

314 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

6.1

5.0

Shader Model

6.4

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