NVIDIA GeForce 8600 GT Mac Edition vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce 8600 GT Mac Edition

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8600 GT Mac Edition and 1024MB VRAM GeForce GTX 645 OEM 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 65W)

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 6 years late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (64.00GB/s vs 24.00GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GT Mac Edition

0.093 TFLOPS

GeForce GTX 645 OEM +920%

0.949 TFLOPS

GeForce 8600 GT Mac Edition

VS

GeForce GTX 645 OEM

Graphics Card

Apr 2007

Release Date

Apr 2013

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

750 MHz

Memory Clock

1000 MHz

Memory

128MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

24.00GB/s

Bandwidth

64.00GB/s

Render Config

-

4

SM Count

-

32

Shading Units

576

16

TMUs

48

8

ROPs

16

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

9.888 GPixel/s

9.600 GTexel/s

Texture Rate

39.55 GTexel/s

-

92.80 GFLOPS

FP32 (float)

949.2 GFLOPS

-

FP64 (double)

39.55 GFLOPS

Board Design

47W

TDP

65W

200 W

Suggested PSU

250 W

2x DVI

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

G84

GPU Name

GK106

G84-303-A2

GPU Variant

GK106-200-A1

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.289 billion

Transistors

2.54 billion

169 mm²

Die Size

221 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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