NVIDIA GeForce RTX 4080 vs ATI Radeon HD 5450

VS

NVIDIA GeForce RTX 4080

ATI Radeon HD 5450

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 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 4080 's Advantages

Released 12 years and 7 months late

Boost Clock2505MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (716.8GB/s vs 6.400GB/s)

9648 additional rendering cores

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +46765%

48.74 TFLOPS

Radeon HD 5450

0.104 TFLOPS

GeForce RTX 4080

VS

Radeon HD 5450

Graphics Card

Sep 2022

Release Date

Feb 2010

GeForce 40

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

512MB

GDDR6X

Memory Type

DDR2

256bit

Memory Bus

64bit

716.8GB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

2

76

SM Count

-

9728

Shading Units

80

304

TMUs

8

112

ROPs

4

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

128 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

2.600 GPixel/s

761.5 GTexel/s

Texture Rate

5.200 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

104.0 GFLOPS

761.5 GFLOPS

FP64 (double)

-

Board Design

320W

TDP

19W

700 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 16-pin

Power Connectors

None

Graphics Processor

AD103

GPU Name

Cedar

AD103-300-A1

GPU Variant

Cedar PRO

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

45.9 billion

Transistors

0.292 billion

379 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

8.9

CUDA

-

6.7

Shader Model

5.0

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