ATI Radeon HD 5450 PCI vs NVIDIA GeForce RTX 5090

VS

ATI Radeon HD 5450 PCI

NVIDIA GeForce RTX 5090

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 32GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 500W)

NVIDIA GeForce RTX 5090 's Advantages

Released 14 years and 11 months late

Boost Clock2520MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (1.52TB/s vs 5.328GB/s)

21680 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

GeForce RTX 5090 +105380%

109.7 TFLOPS

Radeon HD 5450 PCI

VS

GeForce RTX 5090

Graphics Card

Feb 2010

Release Date

Jan 2025

Evergreen

Generation

GeForce 50

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

333 MHz

Memory Clock

1875 MHz

Memory

512MB

Memory Size

32GB

DDR2

Memory Type

GDDR7

64bit

Memory Bus

512bit

5.328GB/s

Bandwidth

1.52TB/s

Render Config

2

Compute Units

-

SM Count

170

80

Shading Units

21760

8

TMUs

680

4

ROPs

192

-

Tensor Cores

680

-

RT Cores

170

8 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

88 MB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

483.8 GPixel/s

5.200 GTexel/s

Texture Rate

1714 GTexel/s

-

FP16 (half)

109.7 TFLOPS

104.0 GFLOPS

FP32 (float)

109.7 TFLOPS

-

FP64 (double)

1.714 TFLOPS

Board Design

19W

TDP

500W

200 W

Suggested PSU

900 W

1x DVI 1x HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

None

Power Connectors

1x 16-pin

Graphics Processor

Cedar

GPU Name

GB202

Cedar PRO

GPU Variant

GB202-400-A1

TeraScale 2

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

0.292 billion

Transistors

Unknown

59 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

10.1

5.0

Shader Model

6.8

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