Who the Radeon RX 6400 is for
Buy it for a low-profile office or HTPC chassis that has no 8-pin power and needs a discrete output.
On the 2026-11-01 NovaPod snapshot the street price is $305 for 4 GB, 53 W, and 3,622 3DMark. Every other card here is in a different performance class. Compare the 6400 to integrated graphics and to the physical slot in the case, not to a 9060 XT.
Radeon RX 6400 specs that change the buy
4 GB is the memory story. 53 W is the power story. The 3DMark integer is 3,622, which we use only as a shared ruler across this table, not as a promise for one game.
We do not lean on an old launch MSRP here. The snapshot street price is the number that matters.
RX 6400 3DMark in context
Every other card here is in a different performance class. Compare the 6400 to integrated graphics and to the physical slot in the case, not to a 9060 XT.
Derived value is 3DMark divided by the $305 snapshot, rounded. A high ratio means more synthetic performance per dollar, not that the card is the fastest, and not that NovaPod rents it.
Games and creative work on the Radeon RX 6400
Treat this as esports-at-low or video playback, not AAA. 4 GB drops modern presets immediately.
Creative apps care about the encoder and the plugin path. NVIDIA buyers are usually here for NVENC or CUDA. AMD and Intel buyers should confirm the app before they assume a GeForce tutorial applies.
Local AI on 4 GB
4 GB ends the AI conversation. Do not plan ComfyUI or a local LLM on an RX 6400.
NovaPod’s rental catalog is a separate product: hourly asks for datacenter GPUs. This page does not sell compute and does not add this SKU to the marketplace.
Power and case notes
53 W is the feature. Many RX 6400 boards take power from the PCIe slot alone. Confirm low-profile brackets before you order, and do not drop this into a plan that expected a triple-fan card.
Leave the side panel’s airflow path clear. A high 3DMark score does not help a card that is thermal-throttling against a glass slab.
Fit check: measure clearance before you order a triple-fan Radeon RX 6400. Low-profile and dual-fan boards exist on some of these names and they run warmer. If the case is under 300 mm of GPU length, filter the listing for short cards instead of assuming the reference cooler.
How to shop the Radeon RX 6400 on this snapshot
Start from $305 as the 1 November 2026 new-card anchor, then read the current listing’s warranty and return window. Partner brands differ in noise more than in the 3,622 class score. A $20 cooler upgrade is rational. A $150 premium for RGB is not, unless that is the only board in stock.
Do not mix this street price with NovaPod hourly asks. Those numbers are per-second cloud rentals for different GPUs. This page is a retail note: you buy the card from a shop, you install it, you own the failure domain.
Before checkout, write down three constraints: case length, PSU wattage, and whether you need CUDA. If two of the three fail, the neighbor cards linked at the bottom of this guide are the comparison, not a different brand of the same Radeon RX 6400. Open the hub table and sort by Value if the goal is frames per dollar, or by 3DMark if the goal is the highest score you can cool.
Resizable BAR, a current chipset driver, and a clean GPU driver install still move real frame rates more than a 2% factory overclock sticker. Budget an evening for that on Intel Arc especially, and do not skip it on a new Radeon or GeForce either. The 3,622 figure assumes a normal test bench, not a dusty OEM box with a six-year-old BIOS.
Who should skip the Radeon RX 6400
Skip it for gaming PCs with a normal PSU. A B580 or 3050-class card will embarrass it, and 4 GB is a hard stop.
If your goal is a cloud H100, B200, or H200, leave this table and open the live GPU list. These rows are retail graphics cards.
Also skip the Radeon RX 6400 when a neighbor in the related list fixes the one constraint you actually have — memory, watts, or NVIDIA-only software — for a price you can already see in the table. Buying the familiar name is how people land on a last-gen flagship that loses to a cheaper new card.
Radeon RX 6400 verdict on 1 November 2026
The Radeon RX 6400 earns a place in this guide because of one job: sff. Remember the three facts together: 3,622 3DMark, 4 GB, 53 W, at $305 new. Change any one of those and the recommendation moves to a neighbor card.
Use the hub to sort the full 19-card set before you checkout. If Value is your sort, cheaper Arc and 60-class boards will outrank this row even when they lose on raw 3DMark. If you sort by score, you will walk toward the RX 9070 XT and then have to decide whether you can cool it. Neither sort is a rental quote.
After the card arrives, update the motherboard BIOS if the vendor asks for resizable BAR, install the current GPU driver, and run one game you already know. A snapshot score that you cannot reproduce on your desk is a setup problem, not a reason to swap the whole table. Keep the receipt for the return window while you do that check.
FAQ
What is the Radeon RX 6400 3DMark score in this table?
3,622 on the shared snapshot used for every card on this page.
What did the Radeon RX 6400 cost on 1 November 2026?
$305 in the NovaPod new-card snapshot. Retail moves daily; this is not a live ticker.
How much power does the Radeon RX 6400 use?
About 53 W board power in this dataset, with 4 GB of memory.
Does NovaPod rent the Radeon RX 6400?
No. This guide is a retail buying note. Hourly cloud GPUs are on the separate GPUs and marketplace pages.
Is the Radeon RX 6400 good for 4K?
No. 4 GB and this score are a small-PC product, not a 4K product.