NVIDIA GeForce 8600 GT Mac Edition vs AMD Radeon HD 7870 GHz Edition

VS

NVIDIA GeForce 8600 GT Mac Edition

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8600 GT Mac Edition and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 175W)

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 4 years and 11 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (153.6GB/s vs 24.00GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 7870 GHz Edition +2652%

2.56 TFLOPS

GeForce 8600 GT Mac Edition

VS

Radeon HD 7870 GHz Edition

Graphics Card

Apr 2007

Release Date

Mar 2012

GeForce 8

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

750 MHz

Memory Clock

1200 MHz

Memory

128MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

24.00GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

4

SM Count

-

32

Shading Units

1280

16

TMUs

80

8

ROPs

32

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

32.00 GPixel/s

9.600 GTexel/s

Texture Rate

80.00 GTexel/s

-

92.80 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

47W

TDP

175W

200 W

Suggested PSU

450 W

2x DVI

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

G84

GPU Name

Pitcairn

G84-303-A2

GPU Variant

Pitcairn XT (215-0828047)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.289 billion

Transistors

2.8 billion

169 mm²

Die Size

212 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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