NVIDIA P104 100 vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA P104 100

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 4GB VRAM P104 100 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA P104 100 's Advantages

Released 5 years and 8 months late

Boost Clock1733MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (320.3GB/s vs 91.87GB/s)

1632 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 130W)

Score

Benchmark

FP32 (float)

P104 100 +644%

6.655 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

P104 100

VS

GeForce GT 645 OEM

Graphics Card

Dec 2017

Release Date

Apr 2012

Mining GPUs

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1607 MHz

Base Clock

-

1733 MHz

Boost Clock

-

1251 MHz

Memory Clock

957 MHz

Memory

4GB

Memory Size

1024MB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

192bit

320.3GB/s

Bandwidth

91.87GB/s

Render Config

-

15

SM Count

6

1920

Shading Units

288

120

TMUs

48

64

ROPs

24

-

48 KB (per SM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

110.9 GPixel/s

Pixel Rate

9.312 GPixel/s

208.0 GTexel/s

Texture Rate

37.25 GTexel/s

104.0 GFLOPS

FP16 (half)

-

6.655 TFLOPS

FP32 (float)

894.0 GFLOPS

208.0 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

130W

TDP

102W

200 W

Suggested PSU

300 W

No outputs

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 8-pin

Power Connectors

-

Graphics Processor

GP104

GPU Name

GF114

GP104-100-A1

GPU Variant

-

Pascal

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

7.2 billion

Transistors

1.95 billion

314 mm²

Die Size

332 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

6.1

CUDA

2.1

6.4

Shader Model

5.1

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