NVIDIA GeForce GTX 480 vs ATI Radeon HD 3450 X2

VS

NVIDIA GeForce GTX 480

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 480 's Advantages

Released 2 years and 3 months late

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (177.4GB/s vs 8.000GB/s)

440 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 +2702%

1.345 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

GeForce GTX 480

VS

Radeon HD 3450 X2

Graphics Card

Mar 2010

Release Date

Dec 2007

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

924 MHz

Memory Clock

500 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

177.4GB/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

21.03 GPixel/s

Pixel Rate

2.400 GPixel/s

42.06 GTexel/s

Texture Rate

2.400 GTexel/s

-

1345 GFLOPS

FP32 (float)

48.00 GFLOPS

168.1 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

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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