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

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

NVIDIA GeForce RTX 3080 Ti wins 3 of 11 benchmarks, averaging 9.2% faster.

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

What the numbers say

The gap is widest in Llama 3.1 8B, where NVIDIA GeForce RTX 3080 Ti leads by 13% (144.11 vs 127.09 tok/s); the closest fight is Qwen3 4B (2% 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 3080 TiNVIDIA GeForce RTX 4080Difference
Qwen3 4B tok/s206.45201.76+2%
Llama 3.1 8B tok/s144.11127.09+13%
Qwen2.5-Coder 14B tok/s78.3169.93+12%
Qwen3 32B tok/s00n/a
Llama 3.3 70B tok/s00n/a
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

Whole-job comparison

How long each card takes to finish a complete pipeline, not just one model. NVIDIA GeForce RTX 3080 Ti is faster on 1 of 1; NVIDIA GeForce RTX 4080 on 0.

WorkflowNVIDIA GeForce RTX 3080 TiNVIDIA GeForce RTX 4080DifferenceCost per run
Full codebase review12.8 min14.3 minNVIDIA GeForce RTX 3080 Ti 1.12x faster$0.038 vs $0.026

Renting by the hour, NVIDIA GeForce RTX 4080 finishes 1 of 1 cheaper. The quicker card is not automatically the cheaper way to get the work done.

Cost to rent

CardPer hour
NVIDIA GeForce RTX 3080 Ti$0.180
NVIDIA GeForce RTX 4080$0.108

NVIDIA GeForce RTX 4080 is 1.67x cheaper per hour. Cheapest on-demand rate we see across RunPod and Vast.

Specifications compared

NVIDIA GeForce RTX 3080 TiNVIDIA GeForce RTX 4080
VRAM12GB16GB
Transistors28,300M45,900M
Die size628.4 mm²378.6 mm²
Transistor density45 M/mm²121.2 M/mm²
ArchitectureAmpere (GA102)Ada Lovelace (AD103)
Memory bandwidth912.4 GB/s716.8 GB/s
Boost clock1,665 MHz2,505 MHz
TDP350 W320 W
Launch MSRP$1,199$1,199
Release2021-06-032022-11-16

FAQ

Which is better for ai & machine learning: NVIDIA GeForce RTX 3080 Ti or NVIDIA GeForce RTX 4080?
NVIDIA GeForce RTX 3080 Ti performs better for ai & machine learning, winning 3 of 11 benchmarks in our suite with an average 9.2% advantage.
What are the main hardware differences between NVIDIA GeForce RTX 3080 Ti and NVIDIA GeForce RTX 4080?
NVIDIA GeForce RTX 3080 Ti has 12GB VRAM and a 350W TDP, while NVIDIA GeForce RTX 4080 has 16GB VRAM and a 320W TDP.
Does VRAM matter more than speed between NVIDIA GeForce RTX 3080 Ti and NVIDIA GeForce RTX 4080?
For AI, yes, NVIDIA GeForce RTX 4080 fits 2 more of our 12 workloads than NVIDIA GeForce RTX 3080 Ti. 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 Ti and NVIDIA GeForce RTX 4080?
Llama 3.1 8B: NVIDIA GeForce RTX 3080 Ti leads by roughly 13% (144.11 vs 127.09 tok/s) in our testing.

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