NVIDIA GeForce GTX 1080 Max Q vs AMD Radeon R5 M255

VS

NVIDIA GeForce GTX 1080 Max Q

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1080 Max Q and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Max Q 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 56% (1468MHz vs 940MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 32.00GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Max Q +942%

7.516 TFLOPS

Radeon R5 M255

0.721 TFLOPS

GeForce GTX 1080 Max Q

VS

Radeon R5 M255

Graphics Card

Jun 2017

Release Date

Oct 2014

GeForce 10 Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1290 MHz

Base Clock

925 MHz

1468 MHz

Boost Clock

940 MHz

1251 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5X

Memory Type

DDR3

256bit

Memory Bus

128bit

320.3GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

6

20

SM Count

-

2560

Shading Units

384

160

TMUs

24

64

ROPs

8

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

93.95 GPixel/s

Pixel Rate

7.520 GPixel/s

234.9 GTexel/s

Texture Rate

22.56 GTexel/s

117.4 GFLOPS

FP16 (half)

721.9 GFLOPS

7.516 TFLOPS

FP32 (float)

721.9 GFLOPS

234.9 GFLOPS

FP64 (double)

45.12 GFLOPS

Board Design

150W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GP104

GPU Name

Topaz

N17E-G3-A1

GPU Variant

Topaz PRO (216-0858030)

Pascal

Architecture

GCN 3.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

1.55 billion

314 mm²

Die Size

125 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

6.1

CUDA

-

6.4

Shader Model

6.5

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