Compare GPU, CPU and AI accelerator specs
Sort 3 categories of AI hardware by the specification that decides whether a model fits your workload — VRAM for GPUs, core count for CPUs, TOPS for accelerators — then check the current price on Amazon.
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| Model | Brand | VRAM ▼ | Memory type | TDP | Price | Other retailers |
|---|---|---|---|---|---|---|
| NVIDIA GeForce RTX 4090 24GB | NVIDIA | 24 GB | GDDR6X | 450 W | Check on Amazon US ↗ | |
| NVIDIA GeForce RTX 3090 24GB | NVIDIA | 24 GB | GDDR6X | 350 W | Check on Amazon US ↗ | |
| AMD Radeon RX 7900 XTX 24GB | AMD | 24 GB | GDDR6 | 355 W | Check on Amazon US ↗ | |
| AMD Radeon RX 7900 XT 20GB | AMD | 20 GB | GDDR6 | 315 W | Check on Amazon US ↗ | |
| NVIDIA GeForce RTX 4080 SUPER 16GB | NVIDIA | 16 GB | GDDR6X | 320 W | Check on Amazon US ↗ | |
| NVIDIA GeForce RTX 4070 Ti SUPER 16GB | NVIDIA | 16 GB | GDDR6X | 285 W | Check on Amazon US ↗ | |
| NVIDIA GeForce RTX 4060 Ti 16GB | NVIDIA | 16 GB | GDDR6 | 165 W | Check on Amazon US ↗ | |
| AMD Radeon RX 7800 XT 16GB | AMD | 16 GB | GDDR6 | 263 W | Check on Amazon US ↗ | |
| AMD Radeon RX 6800 XT 16GB | AMD | 16 GB | GDDR6 | 300 W | Check on Amazon US ↗ | |
| Intel Arc A770 16GB | Intel | 16 GB | GDDR6 | 225 W | Check on Amazon US ↗ | |
| NVIDIA GeForce RTX 4070 12GB | NVIDIA | 12 GB | GDDR6X | 200 W | Check on Amazon US ↗ | |
| NVIDIA GeForce RTX 3080 10GB | NVIDIA | 10 GB | GDDR6X | 320 W | Check on Amazon US ↗ | |
| NVIDIA GeForce RTX 4060 8GB | NVIDIA | 8 GB | GDDR6 | 115 W | Check on Amazon US ↗ | |
| AMD Radeon RX 7600 8GB | AMD | 8 GB | GDDR6 | 165 W | Check on Amazon US ↗ | |
| Intel Arc A750 8GB | Intel | 8 GB | GDDR6 | 225 W | Check on Amazon US ↗ |
Check the best NVIDIA and AMD prices on Amazon, Newegg, Walmart and Best Buy
Every row above links out to live listings so you can check and compare before you buy — no guesswork, no stale numbers.
Why this site does not list prices
Hardware prices move daily and vary by store, seller and condition. A stale number is worse than no number: it sends you to a checkout expecting one price and finding another. Rather than publish figures we cannot keep current, every row links to the live listing on Amazon so the price you see is the price Amazon is charging right now.
Once this site is approved for Amazon's Product Advertising API, price-per-unit columns — price per GB of VRAM, per CPU core, per TOPS — will return, sourced directly from Amazon and refreshed on the schedule their terms require.
How to read the specs
VRAM
VRAM is the hard limit on what you can run locally: a model that does not fit in video memory either runs far slower or does not run at all, and no amount of raw compute compensates. For running large language models locally, VRAM capacity usually matters more than the generation of the card.
Cores and threads
Cores and threads matter for data preparation, compilation and classical machine learning rather than neural network training, which is dominated by the GPU.
TOPS
TOPS measures trillions of operations per second on a dedicated inference accelerator. These devices target edge and embedded inference — they are not substitutes for a GPU when training.
TDP
TDP is a rough guide to the power supply and cooling a part demands, and is worth checking before buying a card that will not fit your system's power budget.