Core i3-2125
VS
Core i5-3337U

Core i3-2125 vs Core i5-3337U

Intel

Core i3-2125

2 Cores4 Thrd65 WWMax: 3.3 GHz2011
VS
Intel

Core i5-3337U

2 Cores4 Thrd512 WWMax: 2.7 GHz2013

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 Core i3-2125 is positioned at rank 892 and the Core i5-3337U is on rank 1099, so the Core i3-2125 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 Core i3-2125

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
20059%
#2
Core i9-10900T
MSRP: $120|Avg: $5
18954%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
13762%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
4146%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
3284%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
2873%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
1645%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
1624%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
1479%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
1479%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
1462%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
1423%
#13
Core i3-9100E
MSRP: $202|Avg: $30
1403%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
1397%
#15
Core i3-8300T
MSRP: $138|Avg: $25
1384%
#299
Core i9-7980XE
MSRP: $1999|Avg: $300
95%
#891
Pentium G6951
MSRP: $89|Avg: $50
100%
#892
Core i3-2125
MSRP: $134|Avg: $15
100%
#894
Celeron G1820
MSRP: $110|Avg: $15
99%
#895
Celeron E1600
MSRP: $53|Avg: $10
99%
#896
Athlon II X2 270u
MSRP: $68|Avg: $10
99%
#897
Core i5-4570TE
MSRP: $202|Avg: $40
98%
#898
Core i3-2130
MSRP: $138|Avg: $138
96%
#901
Core i3-6100E
MSRP: $225|Avg: $50
95%
#902
Core i3-4330TE
MSRP: $138|Avg: $15
94%
#903
Pentium E5700
MSRP: $75|Avg: $15
94%
#905
Athlon II X3 420e
MSRP: $107|Avg: $15
94%
#906
Celeron E1500
MSRP: $53|Avg: $5
93%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i5-3337U

#1087
Atom x5-Z8300
MSRP: $20|Avg: N/A
3155%
#1088
Atom Z3735G
MSRP: $17|Avg: N/A
3109%
#1089
Core i5-480M
MSRP: $81|Avg: $77
2854%
#1090
Core i5-460M
MSRP: $80|Avg: $129
2841%
#1091
Core i5-2540M
MSRP: $266|Avg: $10
2815%
#1093
Core i5-450M
MSRP: $32|Avg: $31
2718%
#1094
Core i3-380M
MSRP: $49|Avg: $25
2606%
#1095
Core i5-430M
MSRP: N/A|Avg: $33
2602%
#1096
Core 2 Duo T6600
MSRP: N/A|Avg: $4
2532%
#1099
Core i5-3337U
MSRP: $225|Avg: N/A
100%
#1100
Core i5-2450M
MSRP: $225|Avg: N/A
99%
#1101
Core i5-7Y54
MSRP: $281|Avg: $100
99%
#1102
Core i5-7Y57
MSRP: $281|Avg: $281
99%
#1104
Pentium 997
MSRP: $134|Avg: $10
98%
#1105
Pentium A1018
MSRP: $132|Avg: $15
97%
#1106
Core i5-2430M
MSRP: $225|Avg: N/A
96%
#1108
Pentium Dual Core T4500
MSRP: $150|Avg: $30
96%
#1109
Celeron B820
MSRP: $86|Avg: $15
96%
#1110
Pentium B980
MSRP: $125|Avg: $35
95%
#1111
Celeron 867
MSRP: $86|Avg: $15
94%
#1112
Pentium B970
MSRP: $125|Avg: $39
94%
#1113
Core i5-2410M
MSRP: $225|Avg: N/A
93%
#1114
Pentium T2370
MSRP: $86|Avg: $10
93%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core i3-2125 leads in gaming performance. However, the Core i5-3337U is the stronger candidate for professional workloads, offering 0.5% greater multi-core processing power.
InsightCore i3-2125Core i5-3337U
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
More affordable ($15)
⚠️ Higher cost ($225)
Longevity
🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)
🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm)

💎 Value Proposition

Efficiency: Even within a comparison of older hardware, the Core i3-2125 stands out as the superior choice. It is effectively 93% cheaper ($15 vs $225) while identifying as the stronger performer.
InsightCore i3-2125Core i5-3337U
Cost Efficiency
Better overall value (+1392%)
Lower cost efficiency
Upfront Cost
More affordable ($15)
⚠️ Higher cost ($225)

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 Core i3-2125 and Core i5-3337U

Intel

Core i3-2125

The Core i3-2125 is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,082 points. Launch price was $170.

Intel

Core i5-3337U

The Core i5-3337U is manufactured by Intel. It was released in 1 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 2.7 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3/L/-RS 1333/1600. Passmark benchmark score: 2,093 points. Launch price was $225.

Processing Power

Both the Core i3-2125 and Core i5-3337U share an identical 2-core/4-thread configuration. Boost clocks reach 3.3 GHz on the Core i3-2125 versus 2.7 GHz on the Core i5-3337U — a 20% clock advantage for the Core i3-2125 (base: 3.3 GHz vs 1.8 GHz). The Core i3-2125 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i5-3337U uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i3-2125 scores 2,082 against the Core i5-3337U's 2,093 — a 0.5% lead for the Core i5-3337U. Both processors carry 3 MB (total) of L3 cache.

FeatureCore i3-2125Core i5-3337U
Cores / Threads
2 / 4
2 / 4
Boost Clock
3.3 GHz+22%
2.7 GHz
Base Clock
3.3 GHz+83%
1.8 GHz
L3 Cache
3 MB (total)
3 MB (total)
L2 Cache
256 kB (per core)
256K (per core)
Process
32 nm
22 nm-31%
Architecture
Sandy Bridge (2011−2013)
Ivy Bridge (2012−2013)
PassMark
2,082
2,093
Geekbench 6 Single
499
🧠

Memory & Platform

The Core i3-2125 uses the LGA1155 socket (PCIe 2.0), while the Core i5-3337U uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i3-2125 versus 1600 on the Core i5-3337U — the Core i5-3337U supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,H67,P67,Z68,B65,Q65,Q67,B75,Q75,H77,Z75,Z77 (Core i3-2125) and HM76,UM77,QM77,QS77 (Core i5-3337U).

FeatureCore i3-2125Core i5-3337U
Socket
LGA1155
BGA1023
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR3-1333
1600+53233%
Max RAM Capacity
32 GB+104857500%
32
RAM Channels
2
2
ECC Support
PCIe Lanes
16
16
🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, EPT (Core i3-2125) vs true (Core i5-3337U). Both include integrated graphics HD Graphics 3000 (Core i3-2125) and Intel HD Graphics 4000 (Core i5-3337U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-2125 targets Budget Desktop. Direct competitor: Core i3-2125 rivals A8-3850; Core i5-3337U rivals AMD A8-4555M.

FeatureCore i3-2125Core i5-3337U
Integrated GPU
Yes
Yes
IGPU Model
HD Graphics 3000
Intel HD Graphics 4000
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x, EPT
true
Target Use
Budget Desktop
💰

Value Analysis

The Core i3-2125 launched at $134 MSRP, while the Core i5-3337U debuted at $225.

FeatureCore i3-2125Core i5-3337U
MSRP
$134-40%
$225
Avg Price (30d)
$15
Release Date
2011
2013