NVIDIA GeForce GTX 480 Core 512 vs ATI Radeon HD 3450

VS

NVIDIA GeForce GTX 480 Core 512

ATI Radeon HD 3450

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 Core 512 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 480 Core 512 's Advantages

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 8.000GB/s)

472 additional rendering cores

ATI Radeon HD 3450 's Advantages

Lower TDP (25W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 Core 512 +2145%

1.078 TFLOPS

Radeon HD 3450

0.048 TFLOPS

GeForce GTX 480 Core 512

VS

Radeon HD 3450

Graphics Card

Unknown

Release Date

Dec 2007

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

500 MHz

Memory

1536MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

134.4GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

16

SM Count

-

512

Shading Units

40

64

TMUs

4

48

ROPs

4

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

16.86 GPixel/s

Pixel Rate

2.400 GPixel/s

33.73 GTexel/s

Texture Rate

2.400 GTexel/s

-

1078 GFLOPS

FP32 (float)

48.00 GFLOPS

-

Board Design

375W

TDP

25W

750 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

GF100

GPU Name

RV620

GF100-ES-DT1-A2

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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