NVIDIA GeForce GT 740A vs AMD Radeon R5 A255

VS

NVIDIA GeForce GT 740A

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 740A 's Advantages

More VRAM (2GB vs 1024GB)

AMD Radeon R5 A255 's Advantages

Boost Clock940MHz

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 740A +4%

0.753 TFLOPS

Radeon R5 A255

0.721 TFLOPS

GeForce GT 740A

VS

Radeon R5 A255

Graphics Card

Aug 2013

Release Date

Jan 2014

GeForce 700A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

384

32

TMUs

24

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

7.520 GPixel/s

31.36 GTexel/s

Texture Rate

22.56 GTexel/s

-

752.6 GFLOPS

FP32 (float)

721.9 GFLOPS

31.36 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK208

GPU Name

Topaz

GT 740M

GPU Variant

Topaz PRO (216-0858030)

Kepler 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.55 billion

87 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.5

CUDA

-

5.1

Shader Model

6.5

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