NVIDIA GeForce GTX 480 Core 512 vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce GTX 480 Core 512

ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 Core 512 and 512MB VRAM Radeon HD 2900 XTX 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 512GB)

Larger VRAM bandwidth (134.4GB/s vs 106.0GB/s)

192 additional rendering cores

ATI Radeon HD 2900 XTX 's Advantages

Lower TDP (240W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 Core 512 +126%

1.078 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 480 Core 512

VS

Radeon HD 2900 XTX

Graphics Card

Unknown

Release Date

Unknown

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

700 MHz

Memory Clock

828 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

512bit

134.4GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

16

SM Count

-

512

Shading Units

320

64

TMUs

16

48

ROPs

16

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

256 KB

-

Theoretical Performance

16.86 GPixel/s

Pixel Rate

11.89 GPixel/s

33.73 GTexel/s

Texture Rate

11.89 GTexel/s

-

1078 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

375W

TDP

240W

750 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GF100

GPU Name

R600

GF100-ES-DT1-A2

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

3.1 billion

Transistors

0.72 billion

529 mm²

Die Size

420 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.0

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