RTX 4090 + Ryzen 7 9800X3D
Ideal pairRTX 4090 + Ryzen 7 9800X3D: 273 FPS on average at 1440p, the CPU costs 0 % (ideal pair).
- CS2 1080p: 791 FPS
- Fortnite 1440p: 123 FPS
- Cyberpunk 2077 4K: 72 FPS
- Battlefield 6 4K: 68 FPS
- Kingdom Come 2 4K: 89 FPS
STier S · Top performance · 4K Ultra
Which CPU for the RTX 4090?
The GeForce RTX 4090 has 24 GB of VRAM and handles maximum settings at 4K. We pick its CPU at 1440p, where the processor matters most. Below: our recommendation, a table of 47 CPUs with average FPS, and the most common pairings.
- NVIDIA
- 24 GB
- 2022
- Resolution: 4K
- Gaming score: 177
Recommended CPUs for the RTX 4090 (1440p)
From the processors in our configurator. Loss = how much lower the FPS is than with the strongest CPU in our range (the worse of demanding games at Ultra and esports at medium settings).
- Sensible minimum
Ryzen 5 7500F
AM5 · DDR5 · 6 cores
Good choiceloss 1440p
−10 %
- avg. FPS
- 221
- esports
- 467
- demanding games
- 119
in configurator €145
Build with this CPU - Our pick
Ryzen 5 7500X3D
AM5 · DDR5 · 6 cores
Ideal pairloss 1440p
−4 %
- avg. FPS
- 246
- esports
- 532
- demanding games
- 126
in configurator €240
Build with this CPU
Every CPU with the RTX 4090: FPS and bottleneck
Average of 17 games without upscaling (demanding games at Ultra, esports at medium). Verdict by loss at 1440p; at higher resolutions the CPU matters less.
| Processor | Tier | Platform | FPS 1080p | FPS 1440p | FPS 4K | Loss 1440p | Verdict |
|---|---|---|---|---|---|---|---|
| Ryzen 7 9850X3D | S | AM5 · DDR5 | 314 | 277 | 199 | −0 % | Ideal pair |
| Ryzen 7 9800X3D | S | AM5 · DDR5 | 308 | 273 | 197 | −0 % | Ideal pair |
| Ryzen 9 9950X3D | S | AM5 · DDR5 | 300 | 268 | 194 | −1 % | Ideal pair |
| Ryzen 9 9900X3D | S | AM5 · DDR5 | 295 | 265 | 192 | −1 % | Ideal pair |
| Ryzen 7 7800X3D | A | AM5 · DDR5 | 282 | 256 | 188 | −2 % | Ideal pair |
| Core i9-14900K | A | Intel LGA1700 · DDR4/DDR5 | 275 | 251 | 185 | −3 % | Ideal pair |
| Ryzen 5 7600X3D | A | AM5 · DDR5 | 274 | 250 | 185 | −3 % | Ideal pair |
| Ryzen 5 7500X3Dpick | A | AM5 · DDR5 | 267 | 246 | 182 | −4 % | Ideal pair |
| Ryzen 9 9950X | B | AM5 · DDR5 | 262 | 242 | 181 | −5 % | Ideal pair |
| Core i7-14700K | B | Intel LGA1700 · DDR4/DDR5 | 261 | 242 | 180 | −5 % | Ideal pair |
| Ryzen 7 9700X | B | AM5 · DDR5 | 259 | 240 | 179 | −5 % | Good choice |
| Core Ultra 9 285K | B | Intel LGA1851 · DDR5 | 256 | 237 | 178 | −6 % | Good choice |
| Ryzen 9 9900X | B | AM5 · DDR5 | 254 | 236 | 177 | −6 % | Good choice |
| Ryzen 5 9600X | B | AM5 · DDR5 | 253 | 235 | 177 | −6 % | Good choice |
| Core i5-14600K | B | Intel LGA1700 · DDR4/DDR5 | 251 | 234 | 176 | −7 % | Good choice |
| Ryzen 7 7700 | B | AM5 · DDR5 | 250 | 233 | 175 | −7 % | Good choice |
| Core Ultra 7 265K | B | Intel LGA1851 · DDR5 | 248 | 232 | 175 | −7 % | Good choice |
| Ryzen 7 7700X | B | AM5 · DDR5 | 248 | 232 | 175 | −7 % | Good choice |
| Ryzen 5 7600X | B | AM5 · DDR5 | 242 | 227 | 173 | −8 % | Good choice |
| Ryzen 7 5700X3D | B | AM4 · DDR4 | 242 | 227 | 173 | −8 % | Good choice |
| Core Ultra 5 245K | B | Intel LGA1851 · DDR5 | 241 | 226 | 172 | −8 % | Good choice |
| Ryzen 5 7600 | C | AM5 · DDR5 | 237 | 223 | 171 | −9 % | Good choice |
| Ryzen 5 7500Fpick | C | AM5 · DDR5 | 234 | 221 | 170 | −10 % | Good choice |
| Core i5-14400F | C | Intel LGA1700 · DDR4/DDR5 | 229 | 217 | 168 | −11 % | Good choice |
| Ryzen 7 5800XT | C | AM4 · DDR4 | 213 | 203 | 161 | −15 % | Good choice |
| Ryzen 5 5600X | C | AM4 · DDR4 | 212 | 202 | 160 | −15 % | CPU holds it back a bit |
| Core i5-12400F | C | Intel LGA1700 · DDR4/DDR5 | 209 | 200 | 159 | −16 % | CPU holds it back a bit |
| Ryzen 7 5700X | C | AM4 · DDR4 | 209 | 200 | 159 | −16 % | CPU holds it back a bit |
| Ryzen 5 5600 | C | AM4 · DDR4 | 206 | 198 | 157 | −17 % | CPU holds it back a bit |
| Ryzen 5 8400F | D | AM5 · DDR5 | 202 | 193 | 155 | −18 % | CPU holds it back a bit |
| Ryzen 7 5700 | D | AM4 · DDR4 | 195 | 187 | 152 | −20 % | CPU holds it back a bit |
| Core i3-12100F | D | Intel LGA1700 · DDR4/DDR5 | 184 | 177 | 148 | −23 % | CPU holds it back a bit |
| Ryzen 5 5500 | D | AM4 · DDR4 | 184 | 177 | 148 | −23 % | CPU holds it back a bit |
Have an older CPU?
We no longer sell older processors, but they belong in the table: they show whether a GPU swap is enough or the whole platform needs replacing. Send us your configuration for a free upgrade quote; old hardware counts as a trade-in.
| Processor | Tier | Platform | FPS 1080p | FPS 1440p | FPS 4K | Loss 1440p | Verdict |
|---|---|---|---|---|---|---|---|
| Core i9-13900K | A | Intel LGA1700 · DDR4/DDR5 | 272 | 249 | 184 | −3 % | Ideal pair |
| Ryzen 7 5800X3D | B | AM4 · DDR4 | 251 | 234 | 176 | −7 % | Good choice |
| Core i5-13600K | B | Intel LGA1700 · DDR4/DDR5 | 245 | 229 | 174 | −7 % | Good choice |
| Core i5-12600K | C | Intel LGA1700 · DDR4/DDR5 | 232 | 219 | 169 | −10 % | Good choice |
| Core i5-13400F | C | Intel LGA1700 · DDR4/DDR5 | 225 | 214 | 166 | −12 % | Good choice |
| Core i7-10700K | D | Intel LGA1200 · DDR4 | 193 | 185 | 152 | −20 % | CPU holds it back a bit |
| Core i7-8700K | D | Intel LGA1151 · DDR4 | 173 | 167 | 142 | −26 % | Serious bottleneck |
| Ryzen 7 3700X | D | AM4 · DDR4 | 171 | 165 | 141 | −27 % | Serious bottleneck |
| Core i5-10400F | E | Intel LGA1200 · DDR4 | 165 | 160 | 138 | −28 % | Serious bottleneck |
| Ryzen 5 3600 | E | AM4 · DDR4 | 159 | 155 | 135 | −30 % | Serious bottleneck |
| Core i7-7700K | E | Intel LGA1151 · DDR4 | 153 | 149 | 132 | −32 % | Serious bottleneck |
| Core i5-9400F | E | Intel LGA1151 · DDR4 | 151 | 147 | 131 | −33 % | Serious bottleneck |
| Core i7-4790K | E | Intel LGA1150 · DDR3 | 116 | 114 | 105 | −42 % | Serious bottleneck |
| Ryzen 5 2600 | E | AM4 · DDR4 | 120 | 119 | 111 | −44 % | Serious bottleneck |
Most common pairings with the RTX 4090
RTX 4090 + Ryzen 7 7800X3D
Ideal pairRTX 4090 + Ryzen 7 7800X3D: 256 FPS on average at 1440p, the CPU costs 2 % (ideal pair).
- CS2 1080p: 713 FPS
- Fortnite 1440p: 121 FPS
- Cyberpunk 2077 4K: 72 FPS
- Battlefield 6 4K: 68 FPS
- Kingdom Come 2 4K: 89 FPS
RTX 4090 + Ryzen 5 7500X3D
Ideal pairRTX 4090 + Ryzen 5 7500X3D: 246 FPS on average at 1440p, the CPU costs 4 % (ideal pair).
- CS2 1080p: 663 FPS
- Fortnite 1440p: 120 FPS
- Cyberpunk 2077 4K: 72 FPS
- Battlefield 6 4K: 68 FPS
- Kingdom Come 2 4K: 88 FPS
RTX 4090 + Ryzen 5 7500F
Good choiceRTX 4090 + Ryzen 5 7500F: 221 FPS on average at 1440p, the CPU costs 10 % (good choice).
- CS2 1080p: 553 FPS
- Fortnite 1440p: 114 FPS
- Cyberpunk 2077 4K: 72 FPS
- Battlefield 6 4K: 68 FPS
- Kingdom Come 2 4K: 88 FPS
RTX 4090 + Core i5-12400F
CPU holds it back a bitRTX 4090 + Core i5-12400F: 200 FPS on average at 1440p, the CPU costs 16 % (cpu holds it back a bit).
- CS2 1080p: 469 FPS
- Fortnite 1440p: 104 FPS
- Cyberpunk 2077 4K: 72 FPS
- Battlefield 6 4K: 68 FPS
- Kingdom Come 2 4K: 87 FPS
RTX 4090 + Ryzen 5 5600
CPU holds it back a bitRTX 4090 + Ryzen 5 5600: 198 FPS on average at 1440p, the CPU costs 17 % (cpu holds it back a bit).
- CS2 1080p: 460 FPS
- Fortnite 1440p: 103 FPS
- Cyberpunk 2077 4K: 72 FPS
- Battlefield 6 4K: 68 FPS
- Kingdom Come 2 4K: 86 FPS
RTX 4090 + Core i5-10400F
Serious bottleneckRTX 4090 + Core i5-10400F: 160 FPS on average at 1440p, the CPU costs 28 % (serious bottleneck).
- CS2 1080p: 355 FPS
- Fortnite 1440p: 83 FPS
- Cyberpunk 2077 4K: 70 FPS
- Battlefield 6 4K: 68 FPS
- Kingdom Come 2 4K: 81 FPS
RTX 4090 + Ryzen 5 3600
Serious bottleneckRTX 4090 + Ryzen 5 3600: 155 FPS on average at 1440p, the CPU costs 30 % (serious bottleneck).
- CS2 1080p: 341 FPS
- Fortnite 1440p: 80 FPS
- Cyberpunk 2077 4K: 69 FPS
- Battlefield 6 4K: 68 FPS
- Kingdom Come 2 4K: 79 FPS
PCs in stock with the RTX 4090
No ready-built PC with the RTX 4090 in stock right now – we will build one to order in the configurator.
Open the configuratorOther tier S graphics cards
Frequently asked questions
Which CPU is best for the RTX 4090?
From our range we recommend the Ryzen 5 7500X3D (4 % loss at 1440p, 246 FPS on average). A sensible minimum is Ryzen 5 7500F (10 % loss at 1440p, 221 FPS on average). All of them are in our configurator and we build the PC for you.
Is a Ryzen 5 5600 enough for the RTX 4090?
At 1440p the Ryzen 5 5600 averages 198 FPS with the RTX 4090, 17 % less than the strongest CPU (cpu holds it back a bit). At 4K the gap is 4 %. In esports at medium settings (CS2, Valorant, Dota 2) the CPU matters more: 411 FPS on average versus 626 FPS with the Ryzen 7 9850X3D.
What resolution is the RTX 4090 good for?
With maximum settings and no upscaling the GeForce RTX 4090 is a 4K card: with the Ryzen 7 9850X3D it averages 81 FPS in demanding games (Cyberpunk 2077, Kingdom Come 2, Battlefield 6…) and 483 FPS in esports. With DLSS/FSR you can go one resolution higher.
How many FPS does the RTX 4090 get with the Ryzen 5 7500X3D?
Without upscaling (demanding games at Ultra, esports at medium): CS2 1080p: 663 FPS, Fortnite 1440p: 120 FPS, Cyberpunk 2077 4K: 72 FPS, Battlefield 6 4K: 68 FPS, Kingdom Come 2 4K: 88 FPS. These are the same numbers the “How many FPS?” calculator shows on every PC.
Does an older CPU like the Ryzen 5 3600 bottleneck the RTX 4090?
Yes, noticeably: at 1440p the Ryzen 5 3600 gives 30 % lower FPS than the strongest CPU (155 FPS on average; in esports at medium settings 6 %). With this card a platform upgrade pays off – send us your configuration and we will quote the upgrade; the old parts count as a trade-in.
Decided? We will build it.
Every recommended CPU and GPU is in our configurator. We build in Olomouc, stress-test and deliver with a 36-month warranty. Your old PC or graphics card counts as a trade-in.