NVIDIA GeForce RTX 5090 vs NVIDIA GeForce RTX 3080

VS

NVIDIA GeForce RTX 5090

NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 and 10GB VRAM GeForce RTX 3080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 's Advantages

Released 4 years and 4 months late

Boost Clock has increased by 47% (2520MHz vs 1710MHz)

More VRAM (32GB vs 10GB)

Larger VRAM bandwidth (1.52TB/s vs 760.3GB/s)

13056 additional rendering cores

NVIDIA GeForce RTX 3080 's Advantages

Lower TDP (320W vs 500W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 +268%

109.7 TFLOPS

GeForce RTX 3080

29.77 TFLOPS

GeForce RTX 5090

VS

GeForce RTX 3080

Graphics Card

Jan 2025

Release Date

Sep 2020

GeForce 50

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

1440 MHz

2520 MHz

Boost Clock

1710 MHz

1875 MHz

Memory Clock

1188 MHz

Memory

32GB

Memory Size

10GB

GDDR7

Memory Type

GDDR6X

512bit

Memory Bus

320bit

1.52TB/s

Bandwidth

760.3GB/s

Render Config

-

170

SM Count

68

21760

Shading Units

8704

680

TMUs

272

192

ROPs

96

680

Tensor Cores

272

170

RT Cores

68

128 KB (per SM)

L1 Cache

128 KB (per SM)

88 MB

L2 Cache

5 MB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

164.2 GPixel/s

1714 GTexel/s

Texture Rate

465.1 GTexel/s

109.7 TFLOPS

FP16 (half)

29.77 TFLOPS

109.7 TFLOPS

FP32 (float)

29.77 TFLOPS

1.714 TFLOPS

FP64 (double)

465.1 GFLOPS

Board Design

500W

TDP

320W

900 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 12-pin

Graphics Processor

GB202

GPU Name

GA102

GB202-400-A1

GPU Variant

GA102-200-KD-A1

Blackwell 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

Unknown

Transistors

28.3 billion

Unknown

Die Size

628 mm²

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

10.1

CUDA

8.6

6.8

Shader Model

6.6

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