NVIDIA GeForce GTX 1060 6 GB GDDR5X vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GTX 1060 6 GB GDDR5X NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1060 6 GB GDDR5X and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1060 6 GB GDDR5X 's Advantages

Released 6 years and 6 months late

Boost Clock1709MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (192.2GB/s vs 28.51GB/s)

896 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

GeForce GTX 1060 6 GB GDDR5X +614%

4.375 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

GeForce GTX 1060 6 GB GDDR5X

VS

GeForce GT 640 OEM

Graphics Card

Oct 2018

Release Date

Apr 2012

GeForce 10

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1506 MHz

Base Clock

-

1709 MHz

Boost Clock

-

1001 MHz

Memory Clock

891 MHz

Memory

6GB

Memory Size

2GB

GDDR5X

Memory Type

DDR3

192bit

Memory Bus

128bit

192.2GB/s

Bandwidth

28.51GB/s

Render Config

10

SM Count

-

Compute Units

-

1280

Shading Units

384

80

TMUs

32

48

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

256 KB

Theoretical Performance

82.03 GPixel/s

Pixel Rate

6.376 GPixel/s

136.7 GTexel/s

Texture Rate

25.50 GTexel/s

68.36 GFLOPS

FP16 (half)

-

4.375 TFLOPS

FP32 (float)

612.1 GFLOPS

136.7 GFLOPS

FP64 (double)

25.50 GFLOPS

Graphics Processor

GP104

GPU Name

GK107

GP104-150-KA-A1

GPU Variant

GK107-320-A2

Pascal

Architecture

Kepler

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

1.27 billion

314 mm²

Die Size

118 mm²

Board Design

120W

TDP

50W

300 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

6.1

CUDA

3.0

6.4

Shader Model

5.1

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