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

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce 8600 GTS Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 512MB VRAM GeForce 8600 GTS Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 5 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 32.26GB/s)

544 additional rendering cores

Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +920%

0.949 TFLOPS

GeForce 8600 GTS Mac Edition

0.093 TFLOPS

GeForce GTX 645 OEM

VS

GeForce 8600 GTS Mac Edition

Graphics Card

Apr 2013

Release Date

Sep 2007

GeForce 600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1008 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

32.26GB/s

Render Config

-

SM Count

4

576

Shading Units

32

48

TMUs

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

5.400 GPixel/s

39.55 GTexel/s

Texture Rate

10.80 GTexel/s

-

949.2 GFLOPS

FP32 (float)

92.80 GFLOPS

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

75W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI

None

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

G84

GK106-200-A1

GPU Variant

G84-400-A2

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.54 billion

Transistors

0.289 billion

221 mm²

Die Size

169 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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