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

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 1024MB VRAM GeForce GTX 650 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 9 years and 4 months late

Boost Clock1665MHz

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (760.3GB/s vs 80.00GB/s)

9856 additional rendering cores

NVIDIA GeForce GTX 650 's Advantages

Lower TDP (65W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +4099%

34.1 TFLOPS

GeForce GTX 650

0.812 TFLOPS

Blender

GeForce RTX 3080 Ti 20 GB +12572%

5956

GeForce GTX 650

47

OctaneBench

GeForce RTX 3080 Ti 20 GB +4830%

641

GeForce GTX 650

13

GeForce RTX 3080 Ti 20 GB

VS

GeForce GTX 650

Graphics Card

Jan 2022

Release Date

Sep 2012

GeForce 30

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

1250 MHz

Memory

20GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

128bit

760.3GB/s

Bandwidth

80.00GB/s

Render Config

-

80

SM Count

-

10240

Shading Units

384

320

TMUs

32

112

ROPs

16

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

256 KB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

8.464 GPixel/s

532.8 GTexel/s

Texture Rate

33.86 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

812.5 GFLOPS

532.8 GFLOPS

FP64 (double)

33.86 GFLOPS

Board Design

350W

TDP

65W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.4a

1x 12-pin

Power Connectors

1x 6-pin

Graphics Processor

GA102

GPU Name

GK107

GA102-225-A1

GPU Variant

GK107-450-A2

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

1.27 billion

628 mm²

Die Size

118 mm²

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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