NVIDIA GeForce RTX 3080 Ti 20 GB vs ATI Radeon HD 5450

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

ATI Radeon HD 5450

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 512MB VRAM Radeon HD 5450 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 11 years and 11 months late

Boost Clock1665MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (760.3GB/s vs 6.400GB/s)

10160 additional rendering cores

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +32688%

34.1 TFLOPS

Radeon HD 5450

0.104 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

Radeon HD 5450

Graphics Card

Jan 2022

Release Date

Feb 2010

GeForce 30

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

400 MHz

Memory

20GB

Memory Size

512MB

GDDR6X

Memory Type

DDR2

320bit

Memory Bus

64bit

760.3GB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

2

80

SM Count

-

10240

Shading Units

80

320

TMUs

8

112

ROPs

4

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

128 KB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

2.600 GPixel/s

532.8 GTexel/s

Texture Rate

5.200 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

104.0 GFLOPS

532.8 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

19W

750 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 12-pin

Power Connectors

None

Graphics Processor

GA102

GPU Name

Cedar

GA102-225-A1

GPU Variant

Cedar PRO

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

0.292 billion

628 mm²

Die Size

59 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

5.0

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