NVIDIA P106 100 vs NVIDIA GeForce GT 640

VS

NVIDIA P106 100

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 6GB VRAM P106 100 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA P106 100 's Advantages

Released 5 years 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 's Advantages

Lower TDP (65W vs 120W)

Score

Benchmark

FP32 (float)

P106 100 +531%

4.375 TFLOPS

GeForce GT 640

0.693 TFLOPS

Blender

P106 100 +1168%

406

GeForce GT 640

32

P106 100

VS

GeForce GT 640

Graphics Card

Jun 2017

Release Date

Jun 2012

Mining GPUs

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

-

2002 MHz

Memory Clock

891 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

192.2GB/s

Bandwidth

28.51GB/s

Render Config

-

10

SM Count

-

1280

Shading Units

384

80

TMUs

32

48

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

82.03 GPixel/s

Pixel Rate

7.216 GPixel/s

136.7 GTexel/s

Texture Rate

28.86 GTexel/s

68.36 GFLOPS

FP16 (half)

-

4.375 TFLOPS

FP32 (float)

692.7 GFLOPS

136.7 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

120W

TDP

65W

300 W

Suggested PSU

250 W

No outputs

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

GP106

GPU Name

GK107

GP106-100-A1

GPU Variant

GK107-300-A2

Pascal

Architecture

Kepler

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

4.4 billion

Transistors

1.27 billion

200 mm²

Die Size

118 mm²

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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