NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce 8600 GT

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce 8600 GT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 512MB VRAM GeForce 8600 GT 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 6 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 22.40GB/s)

544 additional rendering cores

NVIDIA GeForce 8600 GT 's Advantages

Lower TDP (47W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +1148%

0.949 TFLOPS

GeForce 8600 GT

0.076 TFLOPS

GeForce GTX 645 OEM

VS

GeForce 8600 GT

Graphics Card

Apr 2013

Release Date

Apr 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

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

22.40GB/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

4.320 GPixel/s

39.55 GTexel/s

Texture Rate

8.640 GTexel/s

-

949.2 GFLOPS

FP32 (float)

76.16 GFLOPS

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

47W

250 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

GK106

GPU Name

G84

GK106-200-A1

GPU Variant

G84-303-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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