ATI Radeon HD 2900 XT vs NVIDIA NVS 300

VS

ATI Radeon HD 2900 XT

NVIDIA NVS 300

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 512MB VRAM NVS 300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

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

304 additional rendering cores

NVIDIA NVS 300 's Advantages

Released 3 years and 8 months late

Lower TDP (18W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT +1120%

0.476 TFLOPS

NVS 300

0.039 TFLOPS

Radeon HD 2900 XT

VS

NVS 300

Graphics Card

May 2007

Release Date

Jan 2011

Radeon R600

Generation

NVS

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

790 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR3

512bit

Memory Bus

64bit

106.0GB/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

11.89 GPixel/s

Pixel Rate

2.080 GPixel/s

11.89 GTexel/s

Texture Rate

4.160 GTexel/s

-

475.5 GFLOPS

FP32 (float)

39.36 GFLOPS

-

Board Design

215W

TDP

18W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

GT218

R600 XT (215RGMDKA13FG)

GPU Variant

GT218-670-B1

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

0.26 billion

420 mm²

Die Size

57 mm²

Graphics Features

10.0 (10_0)

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

4.0

Shader Model

4.1

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