AMD Radeon HD 6870 vs NVIDIA GeForce 8600 GS

VS

AMD Radeon HD 6870 NVIDIA GeForce 8600 GS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 512MB VRAM GeForce 8600 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Released 3 years and 6 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 12.80GB/s)

1104 additional rendering cores

NVIDIA GeForce 8600 GS 's Advantages

Lower TDP (47W vs 151W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 +5205%

2.016 TFLOPS

GeForce 8600 GS

0.038 TFLOPS

Radeon HD 6870

VS

GeForce 8600 GS

Graphics Card

Oct 2010

Release Date

Apr 2007

Northern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

14

Compute Units

-

1120

Shading Units

16

56

TMUs

8

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

4.320 GPixel/s

50.40 GTexel/s

Texture Rate

4.320 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

38.08 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

G84

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.7 billion

Transistors

0.289 billion

255 mm²

Die Size

169 mm²

Board Design

151W

TDP

47W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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