Core i7-12850HX vs Ryzen 9 3900

Intel

Core i7-12850HX

16 Cores24 Thrd55 WWMax: 4.8 GHz2022

Popular choices:

VS
AMD

Ryzen 9 3900

12 Cores24 Thrd65 WWMax: 4.3 GHz2019

Popular choices:

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i7-12850HX

2022

Why buy it

  • Draws 55W instead of 65W, a 10W reduction.
  • Newer platform on FCBGA1964 with DDR5 support instead of AM4 and DDR4.
  • Integrated graphics onboard with UHD Graphics 770, while Ryzen 9 3900 needs a discrete GPU.

Trade-offs

  • Smaller total L3 cache (25 MB vs 64 MB).
  • No boxed cooler included, unlike Ryzen 9 3900.

Ryzen 9 3900

2019

Why buy it

  • +156% larger total L3 cache (64 MB vs 25 MB).
  • 20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.
  • Includes a boxed cooler (Wraith Prism), unlike Core i7-12850HX.

Trade-offs

  • Lower PassMark (30,588 vs 30,596).
  • Launch MSRP is still $499 MSRP, while Core i7-12850HX mostly shows up through inconsistent older-market listings.
  • 18.2% higher power demand at 65W vs 55W.
  • Older platform position on AM4 with DDR4, while Core i7-12850HX moves to FCBGA1964 and DDR5.
  • No integrated graphics, while Core i7-12850HX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-12850HX better than Ryzen 9 3900?
Yes. Core i7-12850HX is the better overall CPU here. You are getting a 1.7% average FPS lead across 39 shared CPU game tests in our data, 0% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Core i7-12850HX is the better pick here. According to our tests, it delivers 1.7% more average FPS across 39 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-12850HX is the better fit. You are getting 0% better PassMark, backed by 16 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-12850HX is still the faster CPU overall, but Ryzen 9 3900 makes more sense if price matters more than absolute performance. Core i7-12850HX is at an unclear MSRP at unclear MSRP versus $499 MSRP, and it gives you a 1.7% average FPS lead across 39 shared CPU game tests in our data. Ryzen 9 3900 is also 100.0% better value on MSRP (61.3 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.
Which one is more future-proof for 2026 and beyond?
Core i7-12850HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019), a healthier platform with FCBGA1964 and DDR5 instead of AM4, and more multi-core headroom with 16 cores / 24 threads instead of 12/24. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore i7-12850HXRyzen 9 3900
1080p
low269 FPS159 FPS
medium259 FPS130 FPS
high214 FPS111 FPS
ultra184 FPS92 FPS
1440p
low230 FPS144 FPS
medium198 FPS115 FPS
high159 FPS94 FPS
ultra140 FPS78 FPS
4K
low159 FPS78 FPS
medium136 FPS67 FPS
high106 FPS53 FPS
ultra93 FPS43 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-12850HXRyzen 9 3900
1080p
low313 FPS534 FPS
medium265 FPS470 FPS
high224 FPS384 FPS
ultra205 FPS342 FPS
1440p
low258 FPS460 FPS
medium228 FPS411 FPS
high199 FPS347 FPS
ultra173 FPS289 FPS
4K
low159 FPS288 FPS
medium142 FPS261 FPS
high135 FPS238 FPS
ultra120 FPS213 FPS
League of Legends

League of Legends

PresetCore i7-12850HXRyzen 9 3900
1080p
low765 FPS709 FPS
medium616 FPS589 FPS
high545 FPS536 FPS
ultra462 FPS472 FPS
1440p
low692 FPS541 FPS
medium554 FPS448 FPS
high485 FPS401 FPS
ultra416 FPS347 FPS
4K
low498 FPS394 FPS
medium416 FPS315 FPS
high373 FPS279 FPS
ultra314 FPS224 FPS
Valorant

Valorant

PresetCore i7-12850HXRyzen 9 3900
1080p
low765 FPS765 FPS
medium765 FPS765 FPS
high672 FPS711 FPS
ultra597 FPS638 FPS
1440p
low742 FPS725 FPS
medium658 FPS644 FPS
high566 FPS553 FPS
ultra493 FPS486 FPS
4K
low522 FPS516 FPS
medium473 FPS469 FPS
high419 FPS411 FPS
ultra364 FPS360 FPS

Technical Specifications

Side-by-side comparison of Core i7-12850HX and Ryzen 9 3900

Intel

Core i7-12850HX

The Core i7-12850HX is manufactured by Intel. It was released in 10 May 2022 (3 years ago). It is based on the Alder Lake-HX (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2.1 GHz, with boost up to 4.8 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 30,596 points. Launch price was $499.

AMD

Ryzen 9 3900

The Ryzen 9 3900 is manufactured by AMD. It was released in 24 September 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 30,588 points. Launch price was $499.

Processing Power

The Core i7-12850HX packs 16 cores / 24 threads, while the Ryzen 9 3900 offers 12 cores / 24 threads — the Core i7-12850HX has 4 more cores. Boost clocks reach 4.8 GHz on the Core i7-12850HX versus 4.3 GHz on the Ryzen 9 3900 — a 11% clock advantage for the Core i7-12850HX (base: 2.1 GHz vs 3.1 GHz). The Core i7-12850HX uses the Alder Lake-HX (2022) architecture (Intel 7 nm), while the Ryzen 9 3900 uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Core i7-12850HX scores 30,596 against the Ryzen 9 3900's 30,588 — a 0% lead for the Core i7-12850HX. L3 cache: 25 MB (total) on the Core i7-12850HX vs 64 MB on the Ryzen 9 3900.

FeatureCore i7-12850HXRyzen 9 3900
Cores / Threads
16 / 24+33%
12 / 24
Boost Clock
4.8 GHz+12%
4.3 GHz
Base Clock
2.1 GHz
3.1 GHz+48%
L3 Cache
25 MB (total)
64 MB+156%
L2 Cache
1.25 MB (per core)+150%
512 kB (per core)
Process
Intel 7 nm
7 nm, 12 nm
Architecture
Alder Lake-HX (2022)
Matisse (Zen 2) (2019−2020)
PassMark
30,596
30,588
Cinebench R23 Multi
17,700
Geekbench 6 Single
1,713
Geekbench 6 Multi
10,983
🧠

Memory & Platform

The Core i7-12850HX uses the FCBGA1964 socket (PCIe 5.0), while the Ryzen 9 3900 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i7-12850HX versus DDR4-3200 on the Ryzen 9 3900 — the Core i7-12850HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12850HX) vs 24 (Ryzen 9 3900) — the Ryzen 9 3900 offers 4 more lanes for additional GPUs or NVMe drives.

FeatureCore i7-12850HXRyzen 9 3900
Socket
FCBGA1964
AM4
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-4800+25%
DDR4-3200
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
Yes
No
PCIe Lanes
20
24+20%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Core i7-12850HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-12850HX) vs AMD-V (Ryzen 9 3900). The Core i7-12850HX includes integrated graphics (UHD Graphics 770), while the Ryzen 9 3900 requires a dedicated GPU. Primary use case: Core i7-12850HX targets Mobile Workstation, Ryzen 9 3900 targets Workstation Desktop (low power). Direct competitor: Ryzen 9 3900 rivals Core i9-9900.

FeatureCore i7-12850HXRyzen 9 3900
Integrated GPU
Yes
No
IGPU Model
UHD Graphics 770
Unlocked
Yes
Yes
AVX-512
Yes
No
Virtualization
VT-x, VT-d
AMD-V
Target Use
Mobile Workstation
Workstation Desktop (low power)