NVIDIA GeForce RTX 5090 vs AMD Instinct MI300X 192GB — Specs & Performance Compared

Side-by-side comparison of 2 GPU parts: NVIDIA GeForce RTX 5090 vs AMD Instinct MI300X 192GB. Release years: 2023, 2025. MSRP range: $1,999 · $15,000. Specs, synthetic benchmarks, AI inference tok/s, and Amazon availability — click into any column header for the per-SKU benchmark page.

NVIDIA · Blackwell

NVIDIA GeForce RTX 5090

32 GB VRAM575W TDP$1,999 MSRP2025

Full NVIDIA GeForce RTX 5090 benchmarks →

AMD · CDNA 3

AMD Instinct MI300X 192GB

192 GB VRAM750W TDP$15,000 MSRP2023

Full AMD Instinct MI300X 192GB benchmarks →

*Price sourced from Amazon.com. Price and availability subject to change.

Where to buy

Current in-stock pricing for each part on Amazon.

MSI GeForce RTX 5090 32G SUPRIM SOC Graphics Card VD8997

Amazon$6,950

Specs side-by-side

Spec	NVIDIA GeForce RTX 5090	AMD Instinct MI300X 192GB
vram gb	32	192
vram type	GDDR7	—
tdp w	575	750
cuda cores	21760	—
process nm	—	5

Synthetic benchmarks

Higher is better. Per-row scores come from public benchmark databases (PassMark, TechPowerUp, Geekbench, Cinebench). Empty cells mean we don't yet have that benchmark on file for the SKU.

Benchmark	NVIDIA GeForce RTX 5090	AMD Instinct MI300X 192GB
3DMark Port Royal	45,808 points	—
3DMark Speed Way	16,532 points	—
3DMark Steel Nomad	11,906 points	—
3DMark Steel Nomad (4K)	14,133 points	—
3DMark Time Spy	46,229 points	—
Geekbench 6 OpenCL	—	379,660 points
Geekbench 6.3.0 OpenCL	—	379,660 points
MLPerf Inference v4.1 — Llama-2-70B Server (8x MI300X)	—	22,021 tokens/s
MLPerf Inference v4.1 — Llama-3.1-405B Server (8x MI300X)	—	24,110 tokens/s
PassMark G2D Mark	1,412 pts	—
PassMark G3D Mark	38,935 pts	—
Tom's Hardware GPU Hierarchy	2 rank	—

AI inference (tokens/sec)

Top community-reported tokens-per-second results for popular LLMs. See the per-SKU benchmark page for the full set including quantization, prompt length, and source citations.