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FX-8370 vs Ryzen 9 5900X

CPUCPUGPUGPU
AMD

FX-8370

8 Cores8 Thrd125 WWMax: 4.3 GHz2014
Similar parts
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Buy on Amazon
VS
AMD

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020
Ryzen family
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Buy on Amazon

FX-8370 vs Ryzen 9 5900X Performance Spectrum

FX-8370
8 / 8
6,184
0.0%
brand logoAthlon X4 870K
brand logoFX-6300
brand logoFX-6350
brand logoRyzen 3 2300U
brand logoRyzen AI 7 350
brand logoRyzen 9 5900XT
brand logoRyzen 9 7950X3D
brand logoRyzen Threadripper PRO 7965WX
Ryzen 9 5900X
12 / 24
38,955
+529.9%
brand logoRyzen 7 PRO 250
brand logoRyzen 5 7645HX
brand logoRyzen 9 8945H
brand logoRyzen AI 9 HX 375
brand logoRyzen 9 7945HX
brand logoRyzen 9 9950X3D
brand logoRyzen Threadripper 9960X
brand logoRyzen Threadripper PRO 9975WX

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.

FX-8370 vs Ryzen 9 5900X FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Path of Exile 2

1080P
FX-8370
low155 FPS
medium147 FPS
high119 FPS
ultra100 FPS
1080P
Ryzen 9 5900X
low323 FPS
medium291 FPS
high243 FPS
ultra193 FPS
Counter-Strike 2

Counter-Strike 2

1080P
FX-8370
low155 FPS
medium155 FPS
high155 FPS
ultra155 FPS
1080P
Ryzen 9 5900X
low772 FPS
medium647 FPS
high508 FPS
ultra450 FPS
League of Legends

League of Legends

1080P
FX-8370
low155 FPS
medium155 FPS
high155 FPS
ultra155 FPS
1080P
Ryzen 9 5900X
low832 FPS
medium645 FPS
high558 FPS
ultra459 FPS
Valorant

Valorant

1080P
FX-8370
low155 FPS
medium155 FPS
high155 FPS
ultra155 FPS
1080P
Ryzen 9 5900X
low974 FPS
medium974 FPS
high934 FPS
ultra826 FPS
Among Us

Among Us

1080P
FX-8370
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
1080P
Ryzen 9 5900X
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
Apex Legends

Apex Legends

1080P
FX-8370
low155 FPS
medium155 FPS
high155 FPS
ultra155 FPS
1080P
Ryzen 9 5900X
low300 FPS
medium300 FPS
high300 FPS
ultra300 FPS
ARC Raiders

ARC Raiders

1080P
FX-8370
low155 FPS
medium155 FPS
high155 FPS
ultra155 FPS
1080P
Ryzen 9 5900X
low309 FPS
medium238 FPS
high217 FPS
ultra194 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
FX-8370
low155 FPS
medium155 FPS
high155 FPS
ultra132 FPS
1080P
Ryzen 9 5900X
low336 FPS
medium297 FPS
high235 FPS
ultra196 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
FX-8370
low155 FPS
medium155 FPS
high155 FPS
ultra155 FPS
1080P
Ryzen 9 5900X
low355 FPS
medium306 FPS
high265 FPS
ultra225 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
FX-8370
low155 FPS
medium155 FPS
high155 FPS
ultra155 FPS
1080P
Ryzen 9 5900X
low259 FPS
medium237 FPS
high200 FPS
ultra188 FPS
Check FPS with Custom Builds

FX-8370 vs Ryzen 9 5900X: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

FX-8370

2014

Why buy it

  • ✅Costs $350 less on MSRP ($199 MSRP vs $549 MSRP).
  • ✅Includes a boxed cooler (Stock Cooler), unlike Ryzen 9 5900X.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
  • ❌Lower Cinebench R23 multi-core (3,800 vs 21,000).
  • ❌Lower PassMark per dollar, at 31.1 vs 71.0 PassMark/$ ($199 MSRP vs $549 MSRP).
  • ❌19% higher power demand at 125W vs 105W.

Ryzen 9 5900X

2020

Why buy it

  • ✅Better for gaming: +113.5% higher average FPS across 50 shared CPU benchmark tests.
  • ✅Delivers 128.3% more PassMark for each dollar spent, at 71.0 vs 31.1 PassMark/$ ($549 MSRP vs $199 MSRP).
  • ✅Draws 105W instead of 125W, a 20W reduction.
  • ✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

  • ❌
    175.9% HIGHER MSRP
    $549 MSRPvs$199 MSRP
  • ❌No boxed cooler included, unlike FX-8370.

Quick Answers

So, is Ryzen 9 5900X better than FX-8370?
Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 113.5% average FPS lead across 50 shared CPU game tests in our data, 452.6% better Cinebench R23 multi-core, 529.9% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 5900X is the better pick. According to our tests, it delivers 113.5% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 5900X is the stronger fit. You are getting 452.6% better Cinebench R23 multi-core, backed by 12 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 5900X is the better buy right now. Ryzen 9 5900X comes in 175.9% more expensive on MSRP at $549 MSRP versus $199 MSRP, and it still gives you a 113.5% average FPS lead across 50 shared CPU game tests in our data. It is also 128.3% better value on MSRP (71.0 vs 31.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 5900X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2014) and more multi-core headroom with 12 cores / 24 threads instead of 8/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

FX-8370 vs Ryzen 9 5900X Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

AMD

FX-8370

The FX-8370 is manufactured by AMD. It was released in 2 September 2014 (11 years ago). It is based on the Vishera (2012−2015) architecture. It features 8 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 6,184 points. Launch price was $199.

AMD

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

⚡

Processing Power

The FX-8370 packs 8 cores / 8 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 4 more cores. Boost clocks reach 4.3 GHz on the FX-8370 versus 4.8 GHz on the Ryzen 9 5900X — a 11% clock advantage for the Ryzen 9 5900X (base: 4 GHz vs 3.7 GHz). The FX-8370 uses the Vishera (2012−2015) architecture (32 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the FX-8370 scores 6,184 against the Ryzen 9 5900X's 38,955 — a 145.2% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 3,800 vs 21,000 (138.7% advantage for the Ryzen 9 5900X). Geekbench 6 single-core — the metric most relevant to gaming — records 520 vs 2,174, a 122.8% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 2,050 vs 11,888 (141.2% advantage for the Ryzen 9 5900X).

FeatureFX-8370Ryzen 9 5900X
Cores / Threads
8 / 8
12 / 24+50%
Boost Clock
4.3 GHz
4.8 GHz+12%
Base Clock
4 GHz+8%
3.7 GHz
L3 Cache
—
64 MB
L2 Cache
8192 kB+1500%
512K (per core)
Process
32 nm
7 nm, 12 nm-78%
Architecture
Vishera (2012−2015)
Vermeer (Zen3) (2020−2022)
PassMark
6,184
38,955+530%
Cinebench R23 Multi
3,800
21,000+453%
Geekbench 6 Single
520
2,174+318%
Geekbench 6 Multi
2,050
11,888+480%
🧠

Memory & Platform

The FX-8370 uses the AM3+ socket (PCIe 2.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1866 on the FX-8370 versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 71.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 32 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (FX-8370) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 970,990FX,990X (FX-8370) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

FeatureFX-8370Ryzen 9 5900X
Socket
AM3+
AM4
PCIe Generation
PCIe 2.0
PCIe 4.0+100%
Max RAM Speed
DDR3-1866
DDR4-3200+71%
Max RAM Capacity
32 GB
128 GB+300%
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
20
24+20%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AMD-V virtualization. Primary use case: FX-8370 targets Legacy Gaming, Ryzen 9 5900X targets Workstation. Direct competitor: FX-8370 rivals Core i5-6400; Ryzen 9 5900X rivals Core i9-12900K.

FeatureFX-8370Ryzen 9 5900X
Integrated GPU
No
No
IGPU Model
None
—
Unlocked
Yes
Yes
AVX-512
No
No
Virtualization
AMD-V
AMD-V
Target Use
Legacy Gaming
Workstation
💰

Value Analysis

At launch, the FX-8370 was priced at $199, while the Ryzen 9 5900X came in at $549. On launch pricing ($199 vs $549), FX-8370 was $350 cheaper. In terms of value on MSRP (PassMark points per dollar), the FX-8370 delivers 31.1 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 78.2% better value option.

FeatureFX-8370Ryzen 9 5900X
MSRP
$199-64%
$549
Performance per Dollar
31.1
71.0+128%
Release Date
2014
2020
Search FX-8370 on AmazonSearch Ryzen 9 5900X on Amazon

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