NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce GTX 650 Ti Boost

VS

NVIDIA GeForce RTX 3080 Ti 20 GB NVIDIA GeForce GTX 650 Ti Boost

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 2GB VRAM GeForce GTX 650 Ti Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 8 years and 10 months late

Boost Clock has increased by 61% (1665MHz vs 1032MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (760.3GB/s vs 144.2GB/s)

9472 additional rendering cores

NVIDIA GeForce GTX 650 Ti Boost 's Advantages

Lower TDP (134W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +2051%

34.1 TFLOPS

GeForce GTX 650 Ti Boost

1.585 TFLOPS

Blender

GeForce RTX 3080 Ti 20 GB +5570%

6294

GeForce GTX 650 Ti Boost

111

OctaneBench

GeForce RTX 3080 Ti 20 GB +2686%

641

GeForce GTX 650 Ti Boost

23

GeForce RTX 3080 Ti 20 GB

VS

GeForce GTX 650 Ti Boost

Graphics Card

Jan 2022

Release Date

Mar 2013

GeForce 30

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1335 MHz

Base Clock

980 MHz

1665 MHz

Boost Clock

1032 MHz

1188 MHz

Memory Clock

1502 MHz

Memory

20GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

192bit

760.3GB/s

Bandwidth

144.2GB/s

Render Config

80

SM Count

-

Compute Units

-

10240

Shading Units

768

320

TMUs

64

112

ROPs

24

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

384 KB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

16.51 GPixel/s

532.8 GTexel/s

Texture Rate

66.05 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

1.585 TFLOPS

532.8 GFLOPS

FP64 (double)

66.05 GFLOPS

Graphics Processor

GA102

GPU Name

GK106

GA102-225-A1

GPU Variant

GK106-240-A1

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

2.54 billion

628 mm²

Die Size

221 mm²

Board Design

350W

TDP

134W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 12-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.6

Shader Model

5.1

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