NVIDIA GeForce GT 745A vs AMD Radeon HD 7450A

VS

NVIDIA GeForce GT 745A

AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 512MB VRAM Radeon HD 7450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Released 1 years and 7 months late

Boost Clock915MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

224 additional rendering cores

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 745A +251%

0.703 TFLOPS

Radeon HD 7450A

0.2 TFLOPS

GeForce GT 745A

VS

Radeon HD 7450A

Graphics Card

Aug 2013

Release Date

Jan 2012

GeForce 700A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

837 MHz

Base Clock

-

915 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

12.80GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

160

32

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

2.500 GPixel/s

29.28 GTexel/s

Texture Rate

5.000 GTexel/s

-

702.7 GFLOPS

FP32 (float)

200.0 GFLOPS

29.28 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Caicos

N14P-LP

GPU Variant

-

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.37 billion

118 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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