ATI Radeon HD 3870 AGP vs NVIDIA GeForce GTX 280

VS

ATI Radeon HD 3870 AGP

NVIDIA GeForce GTX 280

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP and 1024MB VRAM GeForce GTX 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages

80 additional rendering cores

Lower TDP (106W vs 236W)

NVIDIA GeForce GTX 280 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (141.7GB/s vs 72.06GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 3870 AGP

0.497 TFLOPS

GeForce GTX 280 +25%

0.622 TFLOPS

Radeon HD 3870 AGP

VS

GeForce GTX 280

Graphics Card

Unknown

Release Date

Jun 2008

Radeon R600

Generation

GeForce 200

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

1107 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

512bit

72.06GB/s

Bandwidth

141.7GB/s

Render Config

4

Compute Units

-

SM Count

30

320

Shading Units

240

16

TMUs

80

16

ROPs

32

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

19.26 GPixel/s

12.43 GTexel/s

Texture Rate

48.16 GTexel/s

-

497.3 GFLOPS

FP32 (float)

622.1 GFLOPS

99.46 GFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

106W

TDP

236W

300 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV670

GPU Name

GT200

RV670 XT (215-0708005)

GPU Variant

G200-300-A2

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.666 billion

Transistors

1.4 billion

192 mm²

Die Size

576 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

4.1

Shader Model

4.0

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