NVIDIA GeForce RTX 3080 vs NVIDIA GeForce RTX 4080, AI & Machine Learning Comparison

NVIDIA GeForce RTX 3080
NVIDIA GeForce RTX 3080
vs
NVIDIA GeForce RTX 4080
NVIDIA GeForce RTX 4080

NVIDIA GeForce RTX 4080 wins 6 of 12 benchmarks, averaging 41.3% faster.

Both cards were measured first-party on our bench, same suite, same test rig.

What the numbers say

The gap is widest in Stable Diffusion XL, where NVIDIA GeForce RTX 4080 leads by 113% (4.76 vs 10.16 images/min); the closest fight is Llama 3.1 8B (1% apart); VRAM decides part of this one: NVIDIA GeForce RTX 4080 runs 6 of our 12 AI workloads while the other card runs 3, models that don't fit score zero.

Benchmark results head-to-head

BenchmarkNVIDIA GeForce RTX 3080NVIDIA GeForce RTX 4080Difference
Qwen3 4B tok/s184.08201.76-9%
Llama 3.1 8B tok/s125.85127.09-1%
Qwen2.5-Coder 14B tok/s069.93n/a
Qwen3 32B tok/s00n/a
Llama 3.3 70B tok/s00n/a
Stable Diffusion XL images/min4.7610.16-53%
Z-Image Turbo images/min02.55n/a
FLUX.1 dev images/min00n/a
FLUX.1 Kontext dev images/min00n/a
Qwen-Image-Edit images/min00n/a
LTX-Video (distilled) frames/s03.23n/a
Wan 2.2 5B (720p) frames/s00n/a

Cost to rent

CardPer hour
NVIDIA GeForce RTX 3080$0.029
NVIDIA GeForce RTX 4080$0.108

NVIDIA GeForce RTX 3080 is 3.72x cheaper per hour. Cheapest on-demand rate we see across RunPod and Vast.

Specifications compared

NVIDIA GeForce RTX 3080NVIDIA GeForce RTX 4080
VRAM10GB16GB
Transistors28,300M45,900M
Die size628.4 mm²378.6 mm²
Transistor density45 M/mm²121.2 M/mm²
ArchitectureAmpere (GA102)Ada Lovelace (AD103)
Memory bandwidth760 GB/s716.8 GB/s
Boost clock1,710 MHz2,505 MHz
TDP320 W320 W
Launch MSRP$699$1,199
Release2020-09-172022-11-16

FAQ

Which is better for ai & machine learning: NVIDIA GeForce RTX 3080 or NVIDIA GeForce RTX 4080?
NVIDIA GeForce RTX 4080 performs better for ai & machine learning, winning 6 of 12 benchmarks in our suite with an average 41.3% advantage.
What are the main hardware differences between NVIDIA GeForce RTX 3080 and NVIDIA GeForce RTX 4080?
NVIDIA GeForce RTX 3080 has 10GB VRAM and a 320W TDP, while NVIDIA GeForce RTX 4080 has 16GB VRAM and a 320W TDP.
Does VRAM matter more than speed between NVIDIA GeForce RTX 3080 and NVIDIA GeForce RTX 4080?
For AI, yes, NVIDIA GeForce RTX 4080 fits 3 more of our 12 workloads than NVIDIA GeForce RTX 3080. A model that exceeds VRAM doesn't run slower, it doesn't run at all, so the card that fits the model wins that workload outright.
Where is the biggest performance difference between NVIDIA GeForce RTX 3080 and NVIDIA GeForce RTX 4080?
Stable Diffusion XL: NVIDIA GeForce RTX 4080 leads by roughly 113% (4.76 vs 10.16 images/min) in our testing.

NVIDIA GeForce RTX 3080 full review · NVIDIA GeForce RTX 4080 full review · All AI & Machine Learning rankings