NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 1080 Ti 10 GB

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce GTX 1080 Ti 10 GB

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 10GB VRAM GeForce GTX 1080 Ti 10 GB 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 250W)

NVIDIA GeForce GTX 1080 Ti 10 GB 's Advantages

Boost Clock1683MHz

More VRAM (10GB vs 1024GB)

Larger VRAM bandwidth (440.3GB/s vs 64.00GB/s)

2624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce GTX 1080 Ti 10 GB +1034%

10.77 TFLOPS

GeForce GTX 645 OEM

VS

GeForce GTX 1080 Ti 10 GB

Graphics Card

Apr 2013

Release Date

Unknown

GeForce 600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1582 MHz

-

Boost Clock

1683 MHz

1000 MHz

Memory Clock

1376 MHz

Memory

1024MB

Memory Size

10GB

GDDR5

Memory Type

GDDR5X

128bit

Memory Bus

320bit

64.00GB/s

Bandwidth

440.3GB/s

Render Config

-

SM Count

25

576

Shading Units

3200

48

TMUs

200

16

ROPs

80

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

0 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

134.6 GPixel/s

39.55 GTexel/s

Texture Rate

336.6 GTexel/s

-

FP16 (half)

168.3 GFLOPS

949.2 GFLOPS

FP32 (float)

10.77 TFLOPS

39.55 GFLOPS

FP64 (double)

336.6 GFLOPS

Board Design

65W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.03x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK106

GPU Name

GP102

GK106-200-A1

GPU Variant

GP102-300-KA-A1

Kepler

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

2.54 billion

Transistors

11.8 billion

221 mm²

Die Size

471 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

6.8

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