NVIDIA GeForce GTX 490 vs ATI Radeon HD 3450 AGP

VS

NVIDIA GeForce GTX 490

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (164.0GB/s vs 8.000GB/s)

440 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490 +2329%

1.166 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

GeForce GTX 490

VS

Radeon HD 3450 AGP

Graphics Card

Unknown

Release Date

Jan 2008

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

854 MHz

Memory Clock

500 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

164.0GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

15

SM Count

-

480

Shading Units

40

60

TMUs

4

48

ROPs

4

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

2.400 GPixel/s

36.48 GTexel/s

Texture Rate

2.400 GTexel/s

-

1166 GFLOPS

FP32 (float)

48.00 GFLOPS

145.8 GFLOPS

FP64 (double)

-

Board Design

365W

TDP

25W

750 W

Suggested PSU

200 W

3x DVI 1x mini-DisplayPort

Outputs

2x DVI

2x 8-pin

Power Connectors

1x Molex

Graphics Processor

GF100

GPU Name

RV620

GF100-375-A3

GPU Variant

RV620 LE

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

3.1 billion

Transistors

0.181 billion

529 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.1

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