NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce RTX 2060 TU104

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce RTX 2060 TU104

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 6GB VRAM GeForce RTX 2060 TU104 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 160W)

NVIDIA GeForce RTX 2060 TU104 's Advantages

Released 7 years and 9 months late

Boost Clock1680MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 91.87GB/s)

1632 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

GeForce RTX 2060 TU104 +621%

6.451 TFLOPS

GeForce GT 645 OEM

VS

GeForce RTX 2060 TU104

Graphics Card

Apr 2012

Release Date

Jan 2020

GeForce 600

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1680 MHz

957 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

192bit

91.87GB/s

Bandwidth

336.0GB/s

Render Config

-

6

SM Count

30

288

Shading Units

1920

48

TMUs

120

24

ROPs

48

-

Tensor Cores

240

-

RT Cores

30

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

3 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

80.64 GPixel/s

37.25 GTexel/s

Texture Rate

201.6 GTexel/s

-

FP16 (half)

12.90 TFLOPS

894.0 GFLOPS

FP32 (float)

6.451 TFLOPS

74.50 GFLOPS

FP64 (double)

201.6 GFLOPS

Board Design

102W

TDP

160W

300 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 2.0 2x DisplayPort 1.4a 1x USB Type-C

-

Power Connectors

1x 8-pin

Graphics Processor

GF114

GPU Name

TU104

-

GPU Variant

TU104-150-KC-A1

Fermi 2.0

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.95 billion

Transistors

13.6 billion

332 mm²

Die Size

545 mm²

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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