NVIDIA GeForce RTX 5080 vs NVIDIA GeForce RTX 4090

VS

NVIDIA GeForce RTX 5080 NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 2 years and 4 months late

Lower TDP (350W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1010GB/s vs 160.0GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 5080

54.19 TFLOPS

GeForce RTX 4090 +52%

82.58 TFLOPS

GeForce RTX 5080

VS

GeForce RTX 4090

Graphics Card

Jan 2025

Release Date

Sep 2022

GeForce 50

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

2235 MHz

2520 MHz

Boost Clock

2520 MHz

2500 MHz

Memory Clock

1313 MHz

Memory

16GB

Memory Size

24GB

GDDR7

Memory Type

GDDR6X

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

1010GB/s

Render Config

84

SM Count

128

-

Compute Units

-

10752

Shading Units

16384

336

TMUs

512

128

ROPs

176

336

Tensor Cores

512

84

RT Cores

128

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

72 MB

Theoretical Performance

322.6 GPixel/s

Pixel Rate

443.5 GPixel/s

846.7 GTexel/s

Texture Rate

1290 GTexel/s

54.19 TFLOPS

FP16 (half)

82.58 TFLOPS

54.19 TFLOPS

FP32 (float)

82.58 TFLOPS

846.7 GFLOPS

FP64 (double)

1290 GFLOPS

Graphics Processor

GB203

GPU Name

AD102

GB203

GPU Variant

AD102-300-A1

Blackwell 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

0 nm

Process Size

5 nm

Unknown

Transistors

76.3 billion

Unknown

Die Size

609 mm²

Board Design

350W

TDP

450W

750 W

Suggested PSU

850 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 16-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

9.1

CUDA

8.9

6.7

Shader Model

6.7

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