Ryzen 7 5800X vs Pentium 3805U

Ryzen 7 5800X

8 Cores16 Thrd105 WWMax: 4.7 GHz2020

Pentium 3805U

2 Cores2 Thrd512 WWMax: 1.9 GHz2015

Performance Spectrum - CPU

Ryzen 7 5800X

8 / 16

27,712

+2217.1%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9965WX

Pentium 3805U

2 / 2

1,196

0.0%

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Ryzen 7 5800X

#40

Core i5-14600KF

MSRP: $304|Avg: $239

105%

#41

Ryzen 7 5800

MSRP: $349|Avg: $160

104%

#42

Core i3-14100F

MSRP: $109|Avg: $96

104%

#43

Ryzen 7 3700X

MSRP: $329|Avg: $140

104%

#44

Ryzen 5 7600X

MSRP: $299|Avg: $178

103%

#45

Ryzen 3 3100

MSRP: $99|Avg: $75

103%

#46

Core i5-13490F

MSRP: $235|Avg: $170

102%

#47

Ryzen 5 5600F

MSRP: $99|Avg: $129

102%

#48

Ryzen 9 PRO 3900

MSRP: $499|Avg: $200

101%

#49

Ryzen 3 4300GE

MSRP: $94|Avg: $72

101%

#50

Ryzen 5 PRO 2400GE

MSRP: $169|Avg: $50

101%

#51

Core Ultra 5 225

MSRP: $240|Avg: $200

101%

#52

Core i5-11500

MSRP: $192|Avg: $110

101%

#53

Core i3-12100F

MSRP: $97|Avg: $90

101%

#54

Core Ultra 7 265

MSRP: $384|Avg: $320

101%

#55

Ryzen 7 5800X

MSRP: $449|Avg: $180

100%

#56

Core i5-11400F

MSRP: $157|Avg: $110

100%

#57

Ryzen 7 5700G

MSRP: $359|Avg: $160

99%

#58

Ryzen 7 5700X

MSRP: $299|Avg: $175

99%

#59

Core i5-9500

MSRP: $192|Avg: $65

98%

#60

Ryzen Threadripper PRO 9955WX

MSRP: $429|Avg: $450

98%

#61

Core i9-9960X

MSRP: $1684|Avg: $200

97%

#62

Core Ultra 5 225T

MSRP: $240|Avg: $180

97%

#63

Ryzen 3 3300X

MSRP: $120|Avg: $90

97%

#64

Core i5-12600K

MSRP: $289|Avg: $185

97%

#65

Core Ultra 5 235

MSRP: $257|Avg: $269

96%

#66

Ryzen 7 5700

MSRP: $179|Avg: $164

96%

#67

Ryzen 5 PRO 2600

MSRP: $199|Avg: $90

96%

#68

Ryzen 3 4100

MSRP: $99|Avg: $75

96%

#69

Ryzen 9 9900X

MSRP: $499|Avg: $370

96%

#70

Ryzen 5 7600

MSRP: $229|Avg: $185

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium 3805U

#101

Core i5-1350P

MSRP: $320|Avg: $250

98%

#102

Core i3-1220P

MSRP: $250|Avg: $150

97%

#332

Atom x5-Z8300

MSRP: $20|Avg: N/A

491%

#333

Atom Z3735G

MSRP: $17|Avg: N/A

483%

#334

Core i5-480M

MSRP: $81|Avg: $77

444%

#335

Core i5-460M

MSRP: $80|Avg: $129

442%

#336

Core i5-2540M

MSRP: $266|Avg: $10

438%

#338

Core i5-450M

MSRP: $32|Avg: $31

423%

#339

Core i3-380M

MSRP: $49|Avg: $25

405%

#340

Core i5-430M

MSRP: N/A|Avg: $33

405%

#341

Core 2 Duo T6600

MSRP: N/A|Avg: $4

394%

#344

Pentium 3805U

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Ryzen 7 5800X (2020) utilizes 7 nm, 12 nm technology and DDR4, providing a fundamental performance advantage.

Insight	Ryzen 7 5800X	Pentium 3805U
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($180)	✅ More affordable ($0)
Longevity	✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm)	🛑 Legacy (Broadwell-U (2015) / 14 nm)

💎 Value Proposition

The Pentium 3805U (2015) relies on 14 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Ryzen 7 5800X	Pentium 3805U
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($180)	✅ More affordable ($0)

Performance Check

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.

Ryzen 7 5800X Benchmark Check

Pentium 3805U Benchmark Check

Technical Specifications

Side-by-side comparison of Ryzen 7 5800X and Pentium 3805U

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 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. Passmark benchmark score: 27,712 points. Launch price was $449.

Pentium 3805U

The Pentium 3805U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,196 points. Launch price was $161.

⚡

Processing Power

The Ryzen 7 5800X packs 8 cores / 16 threads, while the Pentium 3805U offers 2 cores / 2 threads — the Ryzen 7 5800X has 6 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 1.9 GHz on the Pentium 3805U — a 84.8% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 1.9 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Pentium 3805U uses Broadwell-U (2015) (14 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Pentium 3805U's 1,196 — a 183.5% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 2 MB (total) on the Pentium 3805U.

Feature	Ryzen 7 5800X	Pentium 3805U
Cores / Threads	8 / 16+300%	2 / 2
Boost Clock	4.7 GHz+147%	1.9 GHz
Base Clock	3.8 GHz+100%	1.9 GHz
L3 Cache	32 MB+1500%	2 MB (total)
L2 Cache	512K (per core)+100%	256K (per core)
Process	7 nm, 12 nm-50%	14 nm
Architecture	Vermeer (Zen 3) (2020−2022)	Broadwell-U (2015)
PassMark	27,712+2217%	1,196

🧠

Memory & Platform

The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Pentium 3805U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus DDR3L-1600 on the Pentium 3805U — the Ryzen 7 5800X supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 12 (Pentium 3805U) — the Ryzen 7 5800X offers 12 more lanes for additional GPUs or NVMe drives.

Feature	Ryzen 7 5800X	Pentium 3805U
Socket	AM4	FCBGA1168
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200+33%	DDR3L-1600
Max RAM Capacity	128 GB+700%	16 GB
RAM Channels	2	2
ECC Support	✅	❌
PCIe Lanes	24+100%	12

🔧

Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (Ryzen 7 5800X) vs VT-x, VT-d (Pentium 3805U). The Pentium 3805U includes integrated graphics (HD Graphics (Broadwell)), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop, Pentium 3805U targets Mobile.