NVIDIA GeForce GTS 450 vs ATI Radeon HD 4650 AGP

VS

NVIDIA GeForce GTS 450

ATI Radeon HD 4650 AGP

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 512MB VRAM Radeon HD 4650 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 450 's Advantages

Released 2 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (57.73GB/s vs 12.80GB/s)

ATI Radeon HD 4650 AGP 's Advantages

128 additional rendering cores

Lower TDP (48W vs 106W)

Score

Benchmark

FP32 (float)

GeForce GTS 450 +56%

0.601 TFLOPS

Radeon HD 4650 AGP

0.384 TFLOPS

GeForce GTS 450

VS

Radeon HD 4650 AGP

Graphics Card

Sep 2010

Release Date

Sep 2008

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

902 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

57.73GB/s

Bandwidth

12.80GB/s

Render Config

-

Compute Units

4

SM Count

-

192

Shading Units

320

32

TMUs

32

16

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.264 GPixel/s

Pixel Rate

4.800 GPixel/s

25.06 GTexel/s

Texture Rate

19.20 GTexel/s

-

601.3 GFLOPS

FP32 (float)

384.0 GFLOPS

50.11 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

48W

300 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

-

Graphics Processor

GF106

GPU Name

RV730

GF106-250-KA-A1

GPU Variant

RV730 PRO (215-0719056)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.514 billion

238 mm²

Die Size

146 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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