Core i7-920 vs Ryzen 9 5900X

Intel

Core i7-920

4 Cores8 Thrd1 WWMax: 2.93 GHz2008
Similar parts
·······
VS
AMD

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020
Ryzen family
·······

Core i7-920 vs Ryzen 9 5900X Performance Spectrum

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.

Core i7-920 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.

Core i7-920 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.

Core i7-920

2008

Why buy it

  • Costs $265 less on MSRP ($284 MSRP vs $549 MSRP).
  • Draws 1W instead of 105W, a 104W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
  • Lower PassMark (2,866 vs 38,955).
  • Smaller total L3 cache (8 MB vs 64 MB).
  • Lower PassMark per dollar, at 10.1 vs 71.0 PassMark/$ ($284 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

  • Better for gaming: +310.6% higher average FPS across 50 shared CPU benchmark tests.
  • +700% larger total L3 cache (64 MB vs 8 MB).
  • Delivers 603.1% more PassMark for each dollar spent, at 71.0 vs 10.1 PassMark/$ ($549 MSRP vs $284 MSRP).
  • 100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • 93.3% HIGHER MSRP
    $549 MSRPvs$284 MSRP
  • 10400% higher power demand at 105W vs 1W.

Quick Answers

So, is Ryzen 9 5900X better than Core i7-920?
Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 310.6% average FPS lead across 50 shared CPU game tests in our data, 1259.2% better 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 310.6% 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 1259.2% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 700% larger total L3 cache (64 MB vs 8 MB).
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 93.3% more expensive on MSRP at $549 MSRP versus $284 MSRP, and it still gives you a 310.6% average FPS lead across 50 shared CPU game tests in our data. It is also 603.1% better value on MSRP (71.0 vs 10.1 PassMark/$), 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 2008), 700% larger total L3 cache (64 MB vs 8 MB), and more multi-core headroom with 12 cores / 24 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-920 vs Ryzen 9 5900X Technical Specifications

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

Intel

Core i7-920

The Core i7-920 is manufactured by Intel. It was released in Novembro 2008 (17 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.66 GHz, with boost up to 2.93 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 2,866 points. Launch price was $340.

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 Core i7-920 packs 4 cores / 8 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 2.93 GHz on the Core i7-920 versus 4.8 GHz on the Ryzen 9 5900X — a 48.4% clock advantage for the Ryzen 9 5900X (base: 2.66 GHz vs 3.7 GHz). The Core i7-920 uses the Bloomfield (2008−2010) architecture (45 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i7-920 scores 2,866 against the Ryzen 9 5900X's 38,955 — a 172.6% lead for the Ryzen 9 5900X. L3 cache: 8 MB (total) on the Core i7-920 vs 64 MB on the Ryzen 9 5900X.

FeatureCore i7-920Ryzen 9 5900X
Cores / Threads
4 / 8
12 / 24+200%
Boost Clock
2.93 GHz
4.8 GHz+64%
Base Clock
2.66 GHz
3.7 GHz+39%
L3 Cache
8 MB (total)
64 MB+700%
L2 Cache
256 kB (per core)
512K (per core)+100%
Process
45 nm
7 nm, 12 nm-84%
Architecture
Bloomfield (2008−2010)
Vermeer (Zen3) (2020−2022)
PassMark
2,866
38,955+1259%
Cinebench R23 Multi
21,000
Geekbench 6 Single
2,174
Geekbench 6 Multi
11,888
🧠

Memory & Platform

The Core i7-920 uses the LGA1366 socket (PCIe 2.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore i7-920Ryzen 9 5900X
Socket
LGA1366
AM4
PCIe Generation
PCIe 2.0
PCIe 4.0+100%
Max RAM Speed
DDR4-3200
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
Yes
PCIe Lanes
24
🔧

Advanced Features

Virtualization: not specified (Core i7-920) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

FeatureCore i7-920Ryzen 9 5900X
Integrated GPU
No
Unlocked
Yes
AVX-512
No
Virtualization
AMD-V
Target Use
Workstation
💰

Value Analysis

At launch, the Core i7-920 was priced at $284, while the Ryzen 9 5900X came in at $549. On launch pricing ($284 vs $549), Core i7-920 was $265 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-920 delivers 10.1 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 150.2% better value option.

FeatureCore i7-920Ryzen 9 5900X
MSRP
$284-48%
$549
Performance per Dollar
10.1
71.0+603%
Release Date
2008
2020

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.