NVIDIA GeForce 8600 GTS Mac Edition vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA GeForce 8600 GTS Mac Edition NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8600 GTS Mac Edition and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 5 years and 8 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (40.06GB/s vs 32.26GB/s)

352 additional rendering cores

Lower TDP (49W vs 75W)

Score

Benchmark

FP32 (float)

GeForce 8600 GTS Mac Edition

0.093 TFLOPS

GeForce GT 640 Rev. 2 +763%

0.803 TFLOPS

GeForce 8600 GTS Mac Edition

VS

GeForce GT 640 Rev. 2

Graphics Card

Sep 2007

Release Date

May 2013

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1008 MHz

Memory Clock

1252 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

32.26GB/s

Bandwidth

40.06GB/s

Render Config

4

SM Count

-

Compute Units

-

32

Shading Units

384

16

TMUs

32

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

512 KB

Theoretical Performance

5.400 GPixel/s

Pixel Rate

8.368 GPixel/s

10.80 GTexel/s

Texture Rate

33.47 GTexel/s

-

FP16 (half)

-

92.80 GFLOPS

FP32 (float)

803.3 GFLOPS

-

FP64 (double)

33.47 GFLOPS

Graphics Processor

G84

GPU Name

GK208

G84-400-A2

GPU Variant

GK208-400-A1

Tesla

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.289 billion

Transistors

1.02 billion

169 mm²

Die Size

87 mm²

Board Design

75W

TDP

49W

250 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin

Power Connectors

None

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

3.5

4.0

Shader Model

5.1

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