Celeron M U3400
VS
Phenom X3 8450e

Celeron M U3400 vs Phenom X3 8450e

Intel

Celeron M U3400

2 Cores2 Thrd512 WWMax: 1.06 GHz2010
VS
AMD

Phenom X3 8450e

3 Cores3 Thrd65 WWMax: 2.1 GHz2008

Performance Spectrum - CPU

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. The Celeron M U3400 is positioned at rank 998 and the Phenom X3 8450e is on rank 498, so the Phenom X3 8450e offers better cost-efficiency for playing games.

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 M U3400

#986
Atom x5-Z8300
MSRP: $20|Avg: N/A
2094%
#987
Atom Z3735G
MSRP: $17|Avg: N/A
2064%
#988
Core i5-480M
MSRP: $81|Avg: $77
1894%
#989
Core i5-460M
MSRP: $80|Avg: $129
1886%
#990
Core i5-2540M
MSRP: $266|Avg: $10
1869%
#992
Core i5-450M
MSRP: $32|Avg: $31
1804%
#993
Core i3-380M
MSRP: $49|Avg: $25
1730%
#994
Core i5-430M
MSRP: N/A|Avg: $33
1727%
#995
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1681%
#998
Celeron M U3400
MSRP: $86|Avg: $5
100%
#999
3015Ce
MSRP: $150|Avg: $40
100%
#1000
Core i7-4700MQ
MSRP: $383|Avg: $50
100%
#1001
Athlon II M340
MSRP: $80|Avg: $15
100%
#1005
Pentium P6000
MSRP: $150|Avg: $90
98%
#1007
Core i7-3630QM
MSRP: $378|Avg: N/A
97%
#1008
Core i7-3610QM
MSRP: $378|Avg: N/A
97%
#1009
Core i3-1115GRE
MSRP: $338|Avg: $480
97%
#1010
Pentium A1020
MSRP: $86|Avg: $86
97%
#1011
Core i7-4702MQ
MSRP: $383|Avg: $50
97%
#1012
Pentium N4200
MSRP: $161|Avg: $30.89
96%
#1013
Pentium J2900
MSRP: $94|Avg: $20
95%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Phenom X3 8450e

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
7754%
#2
Core i9-10900T
MSRP: $120|Avg: $5
7327%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
5320%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
1603%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
1269%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
1111%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
636%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
628%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
572%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
572%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
565%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
550%
#13
Core i3-9100E
MSRP: $202|Avg: $30
542%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
540%
#15
Core i3-8300T
MSRP: $138|Avg: $25
535%
#256
Ryzen 7 1700X
MSRP: $399|Avg: $60
97%
#371
Core 5 120UL
MSRP: $277|Avg: $270
97%
#372
Ryzen Embedded V3C14
MSRP: $305|Avg: $305
97%
#373
Core i7-9700T
MSRP: $323|Avg: $276
96%
#498
Phenom X3 8450e
MSRP: N/A|Avg: N/A
100%
#499
Pentium G4400
MSRP: $64|Avg: $85
100%
#501
Core i5-8600K
MSRP: $257|Avg: $100
98%
#505
Athlon II X4 651
MSRP: $92|Avg: $92
97%
#511
Athlon X4 880K
MSRP: $95|Avg: $25
96%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Phenom X3 8450e delivers superior performance across the board. It outperforms the Celeron M U3400 in both compute-intensive tasks (0.1% faster) and gaming workloads.
InsightCeleron M U3400Phenom X3 8450e
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($5)
More affordable ($0)
Longevity
🛑 Legacy (Arrandale (2010−2011) / 32 nm)
🛑 Legacy (Toliman (2008) / 65 nm)

💎 Value Proposition

InsightCeleron M U3400Phenom X3 8450e
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($5)
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.

Technical Specifications

Side-by-side comparison of Celeron M U3400 and Phenom X3 8450e

Intel

Celeron M U3400

The Celeron M U3400 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. Max frequency: 1.06 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 512 kB + 2 MB. Memory support: DDR3. Passmark benchmark score: 1,205 points. Launch price was $69.

AMD

Phenom X3 8450e

The Phenom X3 8450e is manufactured by AMD. It was released in 2009-01-01. It is based on the Toliman (2008) architecture. It features 3 cores and 3 threads. Max frequency: 2.1 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,206 points. Launch price was $149.

Processing Power

The Celeron M U3400 packs 2 cores / 2 threads, while the Phenom X3 8450e offers 3 cores / 3 threads — the Phenom X3 8450e has 1 more core. Boost clocks reach 1.06 GHz on the Celeron M U3400 versus 2.1 GHz on the Phenom X3 8450e — a 65.8% clock advantage for the Phenom X3 8450e. The Celeron M U3400 uses the Arrandale (2010−2011) architecture (32 nm), while the Phenom X3 8450e uses Toliman (2008) (65 nm). In PassMark, the Celeron M U3400 scores 1,205 against the Phenom X3 8450e's 1,206 — a 0.1% lead for the Phenom X3 8450e. L3 cache: 2 MB on the Celeron M U3400 vs 2 MB (total) on the Phenom X3 8450e.

FeatureCeleron M U3400Phenom X3 8450e
Cores / Threads
2 / 2
3 / 3+50%
Boost Clock
1.06 GHz
2.1 GHz+98%
L3 Cache
2 MB
2 MB (total)
L2 Cache
512 kB
512 kB (per core)
Process
32 nm-51%
65 nm
Architecture
Arrandale (2010−2011)
Toliman (2008)
PassMark
1,205
1,206
🧠

Memory & Platform

The Celeron M U3400 uses the BGA1288 socket (PCIe 2.0), while the Phenom X3 8450e uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCeleron M U3400Phenom X3 8450e
Socket
BGA1288
AM2+
PCIe Generation
PCIe 2.0
PCIe 2.0