NVIDIA GeForce 8800 GS vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce 8800 GS

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 384MB VRAM GeForce 8800 GS and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 GS 's Advantages

Lower TDP (105W vs 165W)

ATI Radeon HD 3870 X2 's Advantages

More VRAM (512GB vs 384GB)

Larger VRAM bandwidth (57.66GB/s vs 38.40GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 GS

0.264 TFLOPS

Radeon HD 3870 X2 +100%

0.528 TFLOPS

GeForce 8800 GS

VS

Radeon HD 3870 X2

Graphics Card

Jan 2008

Release Date

Jan 2008

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

901 MHz

Memory

384MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

12

SM Count

-

96

Shading Units

320

48

TMUs

16

12

ROPs

16

-

48 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

13.20 GPixel/s

26.40 GTexel/s

Texture Rate

13.20 GTexel/s

-

264.0 GFLOPS

FP32 (float)

528.0 GFLOPS

-

FP64 (double)

105.6 GFLOPS

Board Design

105W

TDP

165W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

G92

GPU Name

R680

G92-150-A2

GPU Variant

R680 XT (215-0708017)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.754 billion

Transistors

0.666 billion

324 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

1.1

CUDA

-

4.0

Shader Model

4.1

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