Celeron B815 vs Ryzen 7 5800X

Celeron B815

2 Cores2 Thrd0 WWMax: 1.6 GHz2012

Ryzen 7 5800X

8 Cores16 Thrd105 WWMax: 4.7 GHz2020

Performance Spectrum - CPU

Celeron B815

2 / 2

2,093

0.0%

27,712

+1224.0%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9965WX

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. The Celeron B815 is positioned at rank #799 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 Celeron B815

#786

Atom x5-Z8300

MSRP: $20|Avg: N/A

1205%

#787

Atom Z3735G

MSRP: $17|Avg: N/A

1188%

#788

Core i5-480M

MSRP: $81|Avg: $77

1090%

#789

Core i5-460M

MSRP: $80|Avg: $129

1085%

#790

Core i5-2540M

MSRP: $266|Avg: $10

1076%

#792

Core i5-450M

MSRP: $32|Avg: $31

1039%

#793

Core i3-380M

MSRP: $49|Avg: $25

996%

#794

Core i5-430M

MSRP: N/A|Avg: $33

994%

#795

Core 2 Duo T6600

MSRP: N/A|Avg: $4

968%

#799

Celeron B815

MSRP: $86|Avg: $15

100%

#800

Celeron B810

MSRP: $86|Avg: $86

100%

#802

Core i7-1365UE

MSRP: $429|Avg: $429

99%

#804

3020e

MSRP: $100|Avg: $25

99%

#808

Athlon II M320

MSRP: $75|Avg: $15

98%

#809

Celeron B800

MSRP: $80|Avg: $5

98%

#810

Celeron B710

MSRP: $86|Avg: $10

98%

#812

Athlon II Neo K345

MSRP: $50|Avg: $10

98%

Based on actual market prices and performance synthetic scores.

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 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	Celeron B815	Ryzen 7 5800X
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($15)	⚠️ Higher cost ($180)
Longevity	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)	✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm)

💎 Value Proposition

The Celeron B815 (2012) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Celeron B815	Ryzen 7 5800X
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+10%)
Upfront Cost	✅ More affordable ($15)	⚠️ Higher cost ($180)

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.

Celeron B815 Benchmark Check

Ryzen 7 5800X Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Celeron B815 and Ryzen 7 5800X

Celeron B815

The Celeron B815 is manufactured by Intel. It was released in 1 January 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,093 points. Launch price was $86.

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.

⚡

Processing Power

The Celeron B815 packs 2 cores / 2 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 6 more cores. Boost clocks reach 1.6 GHz on the Celeron B815 versus 4.7 GHz on the Ryzen 7 5800X — a 98.4% clock advantage for the Ryzen 7 5800X (base: 1.6 GHz vs 3.8 GHz). The Celeron B815 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Celeron B815 scores 2,093 against the Ryzen 7 5800X's 27,712 — a 171.9% lead for the Ryzen 7 5800X. L3 cache: 2 MB (total) on the Celeron B815 vs 32 MB on the Ryzen 7 5800X.

Feature	Celeron B815	Ryzen 7 5800X
Cores / Threads	2 / 2	8 / 16+300%
Boost Clock	1.6 GHz	4.7 GHz+194%
Base Clock	1.6 GHz	3.8 GHz+137%
L3 Cache	2 MB (total)	32 MB+1500%
L2 Cache	256K (per core)	512K (per core)+100%
Process	32 nm	7 nm, 12 nm-78%
Architecture	Sandy Bridge (2011−2013)	Vermeer (Zen 3) (2020−2022)
PassMark	2,093	27,712+1224%

🧠

Memory & Platform

The Celeron B815 uses the PGA988 socket (PCIe 2.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Celeron B815 versus DDR4-3200 on the Ryzen 7 5800X — 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: 16 (Celeron B815) vs 24 (Ryzen 7 5800X) — the Ryzen 7 5800X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM65,HM67,QM67,QM77 (Celeron B815) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).

Feature	Celeron B815	Ryzen 7 5800X
Socket	PGA988	AM4
PCIe Generation	PCIe 2.0	PCIe 4.0+100%
Max RAM Speed	DDR3-1333	DDR4-3200+33%
Max RAM Capacity	16 GB	128 GB+700%
RAM Channels	2	2
ECC Support	❌	✅
PCIe Lanes	16	24+50%

🔧

Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Celeron B815) vs AMD-V (Ryzen 7 5800X). The Celeron B815 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Celeron B815 targets Budget, Ryzen 7 5800X targets Desktop. Direct competitor: Celeron B815 rivals Pentium 967.

Feature	Celeron B815	Ryzen 7 5800X
Integrated GPU	Yes	No
IGPU Model	HD Graphics (Sandy Bridge)	—
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x	AMD-V
Target Use	Budget	Desktop

💰

Value Analysis

The Celeron B815 launched at $86 MSRP, while the Ryzen 7 5800X debuted at $449. At current prices ($15 vs $180), the Celeron B815 is $165 cheaper. In terms of value (PassMark points per dollar), the Celeron B815 delivers 139.5 pts/$ vs 154.0 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 9.8% better value option.