AMD Radeon R5 M255 vs NVIDIA GeForce GTX 480M

VS

AMD Radeon R5 M255

NVIDIA GeForce GTX 480M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM GeForce GTX 480M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 4 years and 5 months late

Boost Clock940MHz

32 additional rendering cores

NVIDIA GeForce GTX 480M 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 M255 +20%

0.721 TFLOPS

GeForce GTX 480M

0.598 TFLOPS

Radeon R5 M255

VS

GeForce GTX 480M

Graphics Card

Oct 2014

Release Date

May 2010

Gem System

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

76.80GB/s

Render Config

6

Compute Units

-

SM Count

11

384

Shading Units

352

24

TMUs

44

8

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

9.350 GPixel/s

22.56 GTexel/s

Texture Rate

18.70 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

598.4 GFLOPS

45.12 GFLOPS

FP64 (double)

74.80 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

GF100

Topaz PRO (216-0858030)

GPU Variant

N11E-GTX-A3

GCN 3.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

3.1 billion

125 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.0

6.5

Shader Model

5.1

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