AMD Radeon HD 8670A vs NVIDIA GeForce GTX 1080 Mobile

VS

AMD Radeon HD 8670A

NVIDIA GeForce GTX 1080 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 8GB VRAM GeForce GTX 1080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 150W)

NVIDIA GeForce GTX 1080 Mobile 's Advantages

Released 3 years and 6 months late

Boost Clock1734MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (320.3GB/s vs 16.00GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

GeForce GTX 1080 Mobile +1825%

8.878 TFLOPS

Radeon HD 8670A

VS

GeForce GTX 1080 Mobile

Graphics Card

Feb 2013

Release Date

Aug 2016

All-In-One

Generation

GeForce 10 Mobile

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1556 MHz

-

Boost Clock

1734 MHz

1000 MHz

Memory Clock

1251 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5X

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

320.3GB/s

Render Config

6

Compute Units

-

SM Count

20

384

Shading Units

2560

24

TMUs

160

8

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

111.0 GPixel/s

14.40 GTexel/s

Texture Rate

277.4 GTexel/s

-

FP16 (half)

138.7 GFLOPS

460.8 GFLOPS

FP32 (float)

8.878 TFLOPS

28.80 GFLOPS

FP64 (double)

277.4 GFLOPS

Board Design

45W

TDP

150W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

GP104

Mars XT

GPU Variant

N17E-G3-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

0.95 billion

Transistors

7.2 billion

77 mm²

Die Size

314 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

5.1

Shader Model

6.4

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