NVIDIA GeForce GTX 280 vs ATI Radeon HD 3850 X3

VS

NVIDIA GeForce GTX 280

ATI Radeon HD 3850 X3

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 280 and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 280 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (141.7GB/s vs 54.40GB/s)

ATI Radeon HD 3850 X3 's Advantages

80 additional rendering cores

Lower TDP (145W vs 236W)

Score

Benchmark

FP32 (float)

GeForce GTX 280 +45%

0.622 TFLOPS

Radeon HD 3850 X3

0.428 TFLOPS

GeForce GTX 280

VS

Radeon HD 3850 X3

Graphics Card

Jun 2008

Release Date

Unknown

GeForce 200

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1107 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

256bit

141.7GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

30

SM Count

-

240

Shading Units

320

80

TMUs

16

32

ROPs

16

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

19.26 GPixel/s

Pixel Rate

10.70 GPixel/s

48.16 GTexel/s

Texture Rate

10.70 GTexel/s

-

622.1 GFLOPS

FP32 (float)

428.2 GFLOPS

77.76 GFLOPS

FP64 (double)

-

Board Design

236W

TDP

145W

550 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

4x DVI

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GT200

GPU Name

RV670

G200-300-A2

GPU Variant

RV670 PRO (215-0708003)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

1.4 billion

Transistors

0.666 billion

576 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.1

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