AMD Radeon R5 M255 vs NVIDIA GeForce GT 740M

VS

AMD Radeon R5 M255

NVIDIA GeForce GT 740M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM GeForce GT 740M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 1 years and 4 months late

Boost Clock940MHz

Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

GeForce GT 740M +4%

0.753 TFLOPS

Radeon R5 M255

VS

GeForce GT 740M

Graphics Card

Oct 2014

Release Date

Jun 2013

Gem System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

7.840 GPixel/s

22.56 GTexel/s

Texture Rate

31.36 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

752.6 GFLOPS

45.12 GFLOPS

FP64 (double)

31.36 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

GK208

Topaz PRO (216-0858030)

GPU Variant

GT 740M

GCN 3.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.02 billion

125 mm²

Die Size

87 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.5

6.5

Shader Model

5.1

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