NVIDIA GeForce 8800 GS vs AMD Radeon HD 6870

VS

NVIDIA GeForce 8800 GS

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 384MB VRAM GeForce 8800 GS and 1024MB VRAM Radeon HD 6870 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 151W)

AMD Radeon HD 6870 's Advantages

Released 2 years and 9 months late

More VRAM (1024GB vs 384GB)

Larger VRAM bandwidth (134.4GB/s vs 38.40GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 GS

0.264 TFLOPS

Radeon HD 6870 +663%

2.016 TFLOPS

GeForce 8800 GS

VS

Radeon HD 6870

Graphics Card

Jan 2008

Release Date

Oct 2010

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1050 MHz

Memory

384MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

12

SM Count

-

96

Shading Units

1120

48

TMUs

56

12

ROPs

32

-

L1 Cache

8 KB (per CU)

48 KB

L2 Cache

512 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

28.80 GPixel/s

26.40 GTexel/s

Texture Rate

50.40 GTexel/s

-

264.0 GFLOPS

FP32 (float)

2.016 TFLOPS

-

Board Design

105W

TDP

151W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

G92

GPU Name

Barts

G92-150-A2

GPU Variant

Barts XT (215-0798000)

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.754 billion

Transistors

1.7 billion

324 mm²

Die Size

255 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

5.0

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