NVIDIA GeForce GTX 980M vs AMD Radeon R5 M255

VS

NVIDIA GeForce GTX 980M

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980M 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 980M 's Advantages

Boost Clock has increased by 20% (1127MHz vs 940MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.4GB/s vs 32.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980M +380%

3.462 TFLOPS

Radeon R5 M255

0.721 TFLOPS

GeForce GTX 980M

VS

Radeon R5 M255

Graphics Card

Oct 2014

Release Date

Oct 2014

GeForce 900M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1038 MHz

Base Clock

925 MHz

1127 MHz

Boost Clock

940 MHz

1253 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.4GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

6

-

1536

Shading Units

384

96

TMUs

24

64

ROPs

8

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

72.13 GPixel/s

Pixel Rate

7.520 GPixel/s

108.2 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

3.462 TFLOPS

FP32 (float)

721.9 GFLOPS

108.2 GFLOPS

FP64 (double)

45.12 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GM204

GPU Name

Topaz

N16E-GX-A1

GPU Variant

Topaz PRO (216-0858030)

Maxwell 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

1.55 billion

398 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

5.2

CUDA

-

6.7 (6.4)

Shader Model

6.5

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