NVIDIA GeForce RTX 5080 vs NVIDIA GeForce GTS 450

VS

NVIDIA GeForce RTX 5080

NVIDIA GeForce GTS 450

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 1024MB VRAM GeForce GTS 450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 14 years and 4 months late

Boost Clock2520MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (973.8GB/s vs 57.73GB/s)

10560 additional rendering cores

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +8916%

54.19 TFLOPS

GeForce GTS 450

0.601 TFLOPS

GeForce RTX 5080

VS

GeForce GTS 450

Graphics Card

Jan 2025

Release Date

Sep 2010

GeForce 50

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

2400 MHz

Memory Clock

902 MHz

Memory

16GB

Memory Size

1024MB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

128bit

973.8GB/s

Bandwidth

57.73GB/s

Render Config

-

84

SM Count

4

10752

Shading Units

192

336

TMUs

32

128

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

6.264 GPixel/s

846.7 GTexel/s

Texture Rate

25.06 GTexel/s

54.19 TFLOPS

FP16 (half)

-

54.19 TFLOPS

FP32 (float)

601.3 GFLOPS

846.7 GFLOPS

FP64 (double)

50.11 GFLOPS

Board Design

350W

TDP

106W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

GB203

GPU Name

GF106

GB203-400-A1

GPU Variant

GF106-250-KA-A1

Blackwell 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

0

Process Size

40 nm

Unknown

Transistors

1.17 billion

377 mm²

Die Size

238 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

10.1

CUDA

2.1

6.8

Shader Model

5.1

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