NVIDIA GeForce GT 640 vs NVIDIA P106 100

VS

NVIDIA GeForce GT 640

NVIDIA P106 100

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

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 120W)

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

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

P106 100 +531%

4.375 TFLOPS

Blender

GeForce GT 640

32

P106 100 +1168%

406

GeForce GT 640

VS

P106 100

Graphics Card

Jun 2012

Release Date

Jun 2017

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1506 MHz

-

Boost Clock

1709 MHz

891 MHz

Memory Clock

2002 MHz

Memory

2GB

Memory Size

6GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

28.51GB/s

Bandwidth

192.2GB/s

Render Config

-

SM Count

10

384

Shading Units

1280

32

TMUs

80

16

ROPs

48

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

82.03 GPixel/s

28.86 GTexel/s

Texture Rate

136.7 GTexel/s

-

FP16 (half)

68.36 GFLOPS

692.7 GFLOPS

FP32 (float)

4.375 TFLOPS

28.86 GFLOPS

FP64 (double)

136.7 GFLOPS

Board Design

65W

TDP

120W

250 W

Suggested PSU

300 W

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

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

GK107

GPU Name

GP106

GK107-300-A2

GPU Variant

GP106-100-A1

Kepler

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

1.27 billion

Transistors

4.4 billion

118 mm²

Die Size

200 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

6.1

5.1

Shader Model

6.4

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