NVIDIA GeForce GTX 645 OEM vs NVIDIA P104 100

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA P104 100

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

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 130W)

NVIDIA P104 100 's Advantages

Released 4 years and 8 months late

Boost Clock1733MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (320.3GB/s vs 64.00GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

P104 100 +601%

6.655 TFLOPS

GeForce GTX 645 OEM

VS

P104 100

Graphics Card

Apr 2013

Release Date

Dec 2017

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1607 MHz

-

Boost Clock

1733 MHz

1000 MHz

Memory Clock

1251 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5X

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

320.3GB/s

Render Config

-

SM Count

15

576

Shading Units

1920

48

TMUs

120

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

110.9 GPixel/s

39.55 GTexel/s

Texture Rate

208.0 GTexel/s

-

FP16 (half)

104.0 GFLOPS

949.2 GFLOPS

FP32 (float)

6.655 TFLOPS

39.55 GFLOPS

FP64 (double)

208.0 GFLOPS

Board Design

65W

TDP

130W

250 W

Suggested PSU

200 W

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

Outputs

No outputs

None

Power Connectors

1x 8-pin

Graphics Processor

GK106

GPU Name

GP104

GK106-200-A1

GPU Variant

GP104-100-A1

Kepler

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

2.54 billion

Transistors

7.2 billion

221 mm²

Die Size

314 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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