NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce RTX 2080 Ti

VS

NVIDIA GeForce GT 645 OEM NVIDIA GeForce RTX 2080 Ti

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 11GB VRAM GeForce RTX 2080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 250W)

NVIDIA GeForce RTX 2080 Ti 's Advantages

Released 6 years and 5 months late

Boost Clock1545MHz

More VRAM (11GB vs 1GB)

Larger VRAM bandwidth (616.0GB/s vs 91.87GB/s)

4064 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

GeForce RTX 2080 Ti +1404%

13.45 TFLOPS

GeForce GT 645 OEM

VS

GeForce RTX 2080 Ti

Graphics Card

Apr 2012

Release Date

Sep 2018

GeForce 600

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1350 MHz

-

Boost Clock

1545 MHz

957 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

11GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

352bit

91.87GB/s

Bandwidth

616.0GB/s

Render Config

6

SM Count

68

-

Compute Units

-

288

Shading Units

4352

48

TMUs

272

24

ROPs

88

-

Tensor Cores

544

-

RT Cores

68

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

0 MB

Theoretical Performance

9.312 GPixel/s

Pixel Rate

136.0 GPixel/s

37.25 GTexel/s

Texture Rate

420.2 GTexel/s

-

FP16 (half)

26.90 TFLOPS

894.0 GFLOPS

FP32 (float)

13.45 TFLOPS

74.50 GFLOPS

FP64 (double)

420.2 GFLOPS

Graphics Processor

GF114

GPU Name

TU102

-

GPU Variant

TU102-300A-K1-A1

Fermi 2.0

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.95 billion

Transistors

18.6 billion

332 mm²

Die Size

754 mm²

Board Design

102W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

-

Power Connectors

2x 8-pin

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

7.5

5.1

Shader Model

6.6

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