NVIDIA GeForce GTX 555 OEM vs ATI Radeon HD 3870 AGP

VS

NVIDIA GeForce GTX 555 OEM

ATI Radeon HD 3870 AGP

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 555 OEM and 512MB VRAM Radeon HD 3870 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 555 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (91.87GB/s vs 72.06GB/s)

ATI Radeon HD 3870 AGP 's Advantages

32 additional rendering cores

Lower TDP (106W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 555 OEM +70%

0.848 TFLOPS

Radeon HD 3870 AGP

0.497 TFLOPS

GeForce GTX 555 OEM

VS

Radeon HD 3870 AGP

Graphics Card

May 2011

Release Date

Unknown

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

957 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

6

SM Count

-

288

Shading Units

320

48

TMUs

16

24

ROPs

16

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

256 KB

-

Theoretical Performance

8.832 GPixel/s

Pixel Rate

12.43 GPixel/s

35.33 GTexel/s

Texture Rate

12.43 GTexel/s

-

847.9 GFLOPS

FP32 (float)

497.3 GFLOPS

70.66 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

150W

TDP

106W

450 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GF114

GPU Name

RV670

GF114-200-KB-A1

GPU Variant

RV670 XT (215-0708005)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.666 billion

332 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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