Ryzen 7 5800X vs Pentium U5400

Ryzen 7 5800X

8 Cores16 Thrd105 WWMax: 4.7 GHz2020

Pentium U5400

2 Cores2 Thrd18 WWMax: 1.2 GHz2010

Performance Spectrum - CPU

Ryzen 7 5800X

8 / 16

27,712

+2054.9%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9965WX

Pentium U5400

2 / 2

1,286

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 U5400

#1207

Atom x5-Z8300

MSRP: $20|Avg: N/A

6593%

#1208

Atom Z3735G

MSRP: $17|Avg: N/A

6497%

#1209

Core i5-480M

MSRP: $81|Avg: $77

5964%

#1210

Core i5-460M

MSRP: $80|Avg: $129

5937%

#1211

Core i5-2540M

MSRP: $266|Avg: $10

5883%

#1213

Core i5-450M

MSRP: $32|Avg: $31

5681%

#1214

Core i3-380M

MSRP: $49|Avg: $25

5447%

#1215

Core i5-430M

MSRP: N/A|Avg: $33

5438%

#1216

Core 2 Duo T6600

MSRP: N/A|Avg: $4

5292%

#1219

Pentium U5400

MSRP: $289|Avg: $214

100%

#1220

Pentium T2330

MSRP: $150|Avg: $7

100%

#1221

Z-01

MSRP: $50|Avg: $10

97%

#1222

Pentium T2310

MSRP: $150|Avg: $14

94%

#1223

Celeron SU2300

MSRP: $134|Avg: $134

91%

#1224

Core i5-560UM

MSRP: $250|Avg: N/A

91%

#1225

Core i7-660UM

MSRP: $317|Avg: N/A

91%

#1226

C-30

MSRP: $50|Avg: $15

90%

#1228

Core i7-620UM

MSRP: $278|Avg: N/A

88%

#1230

Celeron 570

MSRP: $134|Avg: $15

85%

#1232

Core i7-820QM

MSRP: $546|Avg: N/A

75%

#1233

Core Duo T2700

MSRP: $663|Avg: N/A

63%

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 U5400
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($180)	⚠️ Higher cost ($214)
Longevity	✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm)	🛑 Legacy (Arrandale (2010−2011) / 32 nm)

💎 Value Proposition

The Pentium U5400 (2010) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Ryzen 7 5800X	Pentium U5400
Cost Efficiency	✅ Better overall value (+2462%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($180)	⚠️ Higher cost ($214)

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 U5400 Benchmark Check

Technical Specifications

Side-by-side comparison of Ryzen 7 5800X and Pentium U5400

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 U5400

The Pentium U5400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,286 points. Launch price was $69.

⚡

Processing Power

The Ryzen 7 5800X packs 8 cores / 16 threads, while the Pentium U5400 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 1.2 GHz on the Pentium U5400 — a 118.6% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 1.2 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Pentium U5400 uses Arrandale (2010−2011) (32 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Pentium U5400's 1,286 — a 182.3% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 3 MB (total) on the Pentium U5400.

Feature	Ryzen 7 5800X	Pentium U5400
Cores / Threads	8 / 16+300%	2 / 2
Boost Clock	4.7 GHz+292%	1.2 GHz
Base Clock	3.8 GHz+217%	1.2 GHz
L3 Cache	32 MB+967%	3 MB (total)
L2 Cache	512K (per core)+100%	256K (per core)
Process	7 nm, 12 nm-78%	32 nm
Architecture	Vermeer (Zen 3) (2020−2022)	Arrandale (2010−2011)
PassMark	27,712+2055%	1,286
Geekbench 6 Single	—	170
Geekbench 6 Multi	—	300

🧠

Memory & Platform

The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Pentium U5400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus DDR3-800 on the Pentium U5400 — 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 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 16 (Pentium U5400) — the Ryzen 7 5800X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and HM55 (Pentium U5400).

Feature	Ryzen 7 5800X	Pentium U5400
Socket	AM4	BGA1288
PCIe Generation	PCIe 4.0+100%	PCIe 2.0
Max RAM Speed	DDR4-3200+33%	DDR3-800
Max RAM Capacity	128 GB+1500%	8 GB
RAM Channels	2	2
ECC Support	✅	❌
PCIe Lanes	24+50%	16

🔧

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 (Pentium U5400). The Pentium U5400 includes integrated graphics (Intel HD Graphics (Ironlake)), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop, Pentium U5400 targets Legacy Budget Laptop.

Feature	Ryzen 7 5800X	Pentium U5400
Integrated GPU	No	Yes
IGPU Model	—	Intel HD Graphics (Ironlake)
Unlocked	Yes	No
AVX-512	No	No
Virtualization	AMD-V	VT-x
Target Use	Desktop	Legacy Budget Laptop

💰

Value Analysis

The Ryzen 7 5800X launched at $449 MSRP, while the Pentium U5400 debuted at $289. At current prices ($180 vs $214), the Ryzen 7 5800X is $34 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 5800X delivers 154.0 pts/$ vs 6.0 pts/$ for the Pentium U5400 — making the Ryzen 7 5800X the 185% better value option.