ATI Radeon HD 3850 X3 vs NVIDIA GeForce 405 OEM

VS

ATI Radeon HD 3850 X3

NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 X3 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 12.64GB/s)

304 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 145W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3 +851%

0.428 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

Radeon HD 3850 X3

VS

GeForce 405 OEM

Graphics Card

Unknown

Release Date

Sep 2010

Radeon R600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

790 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

54.40GB/s

Bandwidth

12.64GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

16

TMUs

8

16

ROPs

4

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

2.356 GPixel/s

10.70 GTexel/s

Texture Rate

4.712 GTexel/s

-

428.2 GFLOPS

FP32 (float)

44.86 GFLOPS

-

Board Design

145W

TDP

25W

300 W

Suggested PSU

200 W

4x DVI

Outputs

1x DVI 1x HDMI 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

GT218

RV670 PRO (215-0708003)

GPU Variant

GT218-300-B1

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.26 billion

192 mm²

Die Size

57 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

4.1

Shader Model

4.1

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