NVIDIA P102 101 vs NVIDIA GeForce GT 640

VS

NVIDIA P102 101

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 10GB VRAM P102 101 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA P102 101 's Advantages

Released 5 years and 7 months late

Boost Clock1670MHz

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 28.51GB/s)

2816 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

P102 101 +1442%

10.69 TFLOPS

GeForce GT 640

0.693 TFLOPS

P102 101

VS

GeForce GT 640

Graphics Card

Jan 2018

Release Date

Jun 2012

Mining GPUs

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

1557 MHz

Base Clock

-

1670 MHz

Boost Clock

-

2002 MHz

Memory Clock

891 MHz

Memory

10GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

320bit

Memory Bus

128bit

320.3GB/s

Bandwidth

28.51GB/s

Render Config

-

25

SM Count

-

3200

Shading Units

384

200

TMUs

32

80

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

0 MB

L2 Cache

256 KB

-

Theoretical Performance

133.6 GPixel/s

Pixel Rate

7.216 GPixel/s

334.0 GTexel/s

Texture Rate

28.86 GTexel/s

167.0 GFLOPS

FP16 (half)

-

10.69 TFLOPS

FP32 (float)

692.7 GFLOPS

334.0 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

No outputs

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

GP102

GPU Name

GK107

GP102-101-A1

GPU Variant

GK107-300-A2

Pascal

Architecture

Kepler

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

11.8 billion

Transistors

1.27 billion

471 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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