NVIDIA GeForce 405 OEM vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce 405 OEM ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 512MB VRAM GeForce 405 OEM and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 405 OEM 's Advantages

Released 3 years and 4 months late

Lower TDP (25W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 12.64GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 405 OEM

0.045 TFLOPS

Radeon HD 2900 XT +957%

0.476 TFLOPS

GeForce 405 OEM

VS

Radeon HD 2900 XT

Graphics Card

Sep 2010

Release Date

May 2007

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

790 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

512bit

12.64GB/s

Bandwidth

106.0GB/s

Render Config

2

SM Count

-

Compute Units

4

16

Shading Units

320

8

TMUs

16

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

32 KB

L2 Cache

256 KB

Theoretical Performance

2.356 GPixel/s

Pixel Rate

11.89 GPixel/s

4.712 GTexel/s

Texture Rate

11.89 GTexel/s

-

FP16 (half)

-

44.86 GFLOPS

FP32 (float)

475.5 GFLOPS

-

FP64 (double)

-

Graphics Processor

GT218

GPU Name

R600

GT218-300-B1

GPU Variant

R600 XT (215RGMDKA13FG)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.26 billion

Transistors

0.72 billion

57 mm²

Die Size

420 mm²

Board Design

25W

TDP

215W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

11.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.0

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