GeForce GTS 450 vs Radeon HD 3830

VS

NVIDIA GeForce GTS 450

ATI Radeon HD 3830

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 256MB VRAM Radeon HD 3830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce GTS 450 Advantages

Released 2 years and 5 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (57.73GB/s vs 26.50GB/s)

Radeon HD 3830 Advantages

128 additional rendering cores

Lower TDP (75W vs 106W)

Score

Benchmark

FP32 (float)

GeForce GTS 450 +40%

601

Radeon HD 3830

428

GeForce GTS 450

VS

Radeon HD 3830

Graphics Card

Sep 2010

Release Date

Apr 2008

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

902 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

57.73GB/s

Bandwidth

26.50GB/s

Render Config

-

Compute Units

4

SM Count

-

192

Shading Units

320

32

TMUs

16

ROPs

16

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

128 KB

Theoretical Performance

6.264 GPixel/s

Pixel Rate

10.69 GPixel/s

25.06 GTexel/s

Texture Rate

10.69 GTexel/s

601.3 GFLOPS

FP32 (float)

427.5 GFLOPS

50.11 GFLOPS

FP64 (double)

85.50 GFLOPS

Board Design

106W

TDP

75W

300 W

Suggested PSU

250 W

2x DVI
1x mini-HDMI 1.3a

Outputs

No outputs

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GF106

GPU Name

RV670

GF106-250-KA-A1

GPU Variant

RV670 PRO

(215-0708003)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.666 billion

238 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full)

4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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