NVIDIA GeForce GTX 745 OEM vs ATI Radeon HD 5450

VS

NVIDIA GeForce GTX 745 OEM

ATI Radeon HD 5450

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 745 OEM and 512MB VRAM Radeon HD 5450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 745 OEM 's Advantages

Released 4 years late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 6.400GB/s)

304 additional rendering cores

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 55W)

Score

Benchmark

FP32 (float)

GeForce GTX 745 OEM +662%

0.793 TFLOPS

Radeon HD 5450

0.104 TFLOPS

GeForce GTX 745 OEM

VS

Radeon HD 5450

Graphics Card

Feb 2014

Release Date

Feb 2010

GeForce 700

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

512MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

80

24

TMUs

8

16

ROPs

4

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

16.53 GPixel/s

Pixel Rate

2.600 GPixel/s

24.79 GTexel/s

Texture Rate

5.200 GTexel/s

-

793.3 GFLOPS

FP32 (float)

104.0 GFLOPS

24.79 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

19W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

GM107

GPU Name

Cedar

GM107-220-A2

GPU Variant

Cedar PRO

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.292 billion

148 mm²

Die Size

59 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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