NVIDIA GeForce GT 745A vs AMD Radeon R5 A230

VS

NVIDIA GeForce GT 745A

AMD Radeon R5 A230

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 4GB VRAM Radeon R5 A230 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Boost Clock has increased by 7% (915MHz vs 855MHz)

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

64 additional rendering cores

AMD Radeon R5 A230 's Advantages

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

GeForce GT 745A +28%

0.703 TFLOPS

Radeon R5 A230

0.547 TFLOPS

GeForce GT 745A

VS

Radeon R5 A230

Graphics Card

Aug 2013

Release Date

Jan 2014

GeForce 700A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

837 MHz

Base Clock

780 MHz

915 MHz

Boost Clock

855 MHz

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

5

-

384

Shading Units

320

32

TMUs

20

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

6.840 GPixel/s

29.28 GTexel/s

Texture Rate

17.10 GTexel/s

-

702.7 GFLOPS

FP32 (float)

547.2 GFLOPS

29.28 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK107

GPU Name

Jet

N14P-LP

GPU Variant

Jet PRO (216-0856040)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

0.69 billion

118 mm²

Die Size

56 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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