ATI Radeon HD 4750 vs NVIDIA GeForce GTS 450 Rev. 2

VS

ATI Radeon HD 4750

NVIDIA GeForce GTS 450 Rev. 2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4750 and 1024MB VRAM GeForce GTS 450 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4750 's Advantages

448 additional rendering cores

Lower TDP (100W vs 106W)

NVIDIA GeForce GTS 450 Rev. 2 's Advantages

Released 1 years and 6 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (57.73GB/s vs 51.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4750 +55%

0.934 TFLOPS

GeForce GTS 450 Rev. 2

0.601 TFLOPS

Radeon HD 4750

VS

GeForce GTS 450 Rev. 2

Graphics Card

Sep 2009

Release Date

Mar 2011

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

902 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

57.73GB/s

Render Config

8

Compute Units

-

SM Count

4

640

Shading Units

192

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

11.68 GPixel/s

Pixel Rate

6.264 GPixel/s

23.36 GTexel/s

Texture Rate

25.06 GTexel/s

-

934.4 GFLOPS

FP32 (float)

601.3 GFLOPS

186.9 GFLOPS

FP64 (double)

50.11 GFLOPS

Board Design

100W

TDP

106W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV740

GPU Name

GF116

RV740 PRO

GPU Variant

GF116-200-KA-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

1.17 billion

137 mm²

Die Size

238 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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