Pentium U5400 vs Core 2 Duo E8500

CPU

GPU

Pentium U5400

2 Cores2 Thrd18 WWMax: 1.2 GHz2010

Core 2 Duo E8500

2 Cores2 Thrd65 WWMax: 3.17 GHz2008

Performance Spectrum - CPU

Pentium U5400

2 / 2

1,286

0.0%

1,297

+0.9%

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 Pentium U5400 is positioned at rank 1219 and the Core 2 Duo E8500 is on rank 427, so the Core 2 Duo E8500 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 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 Per Dollar Core 2 Duo E8500

Ryzen 9 7950X

MSRP: $194|Avg: $20

6249%

Core i9-10900T

MSRP: $120|Avg: $5

5905%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

4287%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

1292%

Ryzen 9 9950X

MSRP: $649|Avg: $129

1023%

Ryzen 5 8400F

MSRP: $303|Avg: $55

895%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

513%

Ryzen 5 2600X

MSRP: $229|Avg: $55

506%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

461%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

461%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

455%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

443%

#13

Core i3-9100E

MSRP: $202|Avg: $30

437%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

435%

#15

Core i3-8300T

MSRP: $138|Avg: $25

431%

#343

Athlon Gold PRO 3150G

MSRP: $150|Avg: $150

100%

#344

Core i9-9900

MSRP: $423|Avg: $330

99%

#345

Core i9-9980XE

MSRP: $1979|Avg: $593

98%

#346

Core i7-10700K

MSRP: $387|Avg: $380

98%

#347

Celeron G5905T

MSRP: $50|Avg: $50

94%

#348

Athlon PRO 200GE

MSRP: $55|Avg: $81

94%

#349

Core i5-9600

MSRP: $224|Avg: $219

94%

#427

Core 2 Duo E8500

MSRP: $26|Avg: $26

100%

#429

Xeon E5-2618L v4

MSRP: $779|Avg: $33

100%

#434

Core i3-7320

MSRP: $99|Avg: $40

98%

#435

Celeron G3930T

MSRP: $42|Avg: $39

97%

#436

Ryzen 5 1500X

MSRP: $189|Avg: $67

96%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core 2 Duo E8500 delivers superior performance across the board. It outperforms the Pentium U5400 in both compute-intensive tasks (0.9% faster) and gaming workloads.

Insight	Pentium U5400	Core 2 Duo E8500
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($214)	✅ More affordable ($26)
Longevity	🛑 Legacy (Arrandale (2010−2011) / 32 nm)	🛑 Legacy (Wolfdale (2008−2010) / 45 nm)

💎 Value Proposition

Efficiency: Even within a comparison of older hardware, the Core 2 Duo E8500 stands out as the superior choice. It is effectively 88% cheaper ($26 vs $214) while identifying as the stronger performer.

Insight	Pentium U5400	Core 2 Duo E8500
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+730%)
Upfront Cost	⚠️ Higher cost ($214)	✅ More affordable ($26)

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.

Pentium U5400 Benchmark Check

Core 2 Duo E8500 Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium U5400 and Core 2 Duo E8500

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.

Core 2 Duo E8500

The Core 2 Duo E8500 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.16 GHz, with boost up to 3.17 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,297 points. Launch price was $249.

⚡

Processing Power

Both the Pentium U5400 and Core 2 Duo E8500 share an identical 2-core/2-thread configuration. Boost clocks reach 1.2 GHz on the Pentium U5400 versus 3.17 GHz on the Core 2 Duo E8500 — a 90.2% clock advantage for the Core 2 Duo E8500 (base: 1.2 GHz vs 3.16 GHz). The Pentium U5400 uses the Arrandale (2010−2011) architecture (32 nm), while the Core 2 Duo E8500 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Pentium U5400 scores 1,286 against the Core 2 Duo E8500's 1,297 — a 0.9% lead for the Core 2 Duo E8500. L3 cache: 3 MB (total) on the Pentium U5400 vs 0 kB on the Core 2 Duo E8500.

Feature	Pentium U5400	Core 2 Duo E8500
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.2 GHz	3.17 GHz+164%
Base Clock	1.2 GHz	3.16 GHz+163%
L3 Cache	3 MB (total)	0 kB
L2 Cache	256K (per core)	6 MB (total)+2300%
Process	32 nm-29%	45 nm
Architecture	Arrandale (2010−2011)	Wolfdale (2008−2010)
PassMark	1,286	1,297
Geekbench 6 Single	170	—
Geekbench 6 Multi	300	—

🧠

Memory & Platform

The Pentium U5400 uses the BGA1288 socket (PCIe 2.0), while the Core 2 Duo E8500 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-800 on the Pentium U5400 versus 1333 on the Core 2 Duo E8500 — the Core 2 Duo E8500 supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core 2 Duo E8500 supports up to 16 of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM55 (Pentium U5400) and P35,G31,G33,P45 (Core 2 Duo E8500).

Feature	Pentium U5400	Core 2 Duo E8500
Socket	BGA1288	LGA775
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-800	1333+44333%
Max RAM Capacity	8 GB+52428700%	16
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	16	16

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x (Pentium U5400) vs true (Core 2 Duo E8500). The Pentium U5400 includes integrated graphics (Intel HD Graphics (Ironlake)), while the Core 2 Duo E8500 requires a dedicated GPU. Primary use case: Pentium U5400 targets Legacy Budget Laptop. Direct competitor: Core 2 Duo E8500 rivals Phenom II X2 550.

Feature	Pentium U5400	Core 2 Duo E8500
Integrated GPU	Yes	No
IGPU Model	Intel HD Graphics (Ironlake)	None
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x	true
Target Use	Legacy Budget Laptop	—

💰

Value Analysis

The Pentium U5400 launched at $289 MSRP, while the Core 2 Duo E8500 debuted at $26. At current prices ($214 vs $26), the Core 2 Duo E8500 is $188 cheaper. In terms of value (PassMark points per dollar), the Pentium U5400 delivers 6.0 pts/$ vs 49.9 pts/$ for the Core 2 Duo E8500 — making the Core 2 Duo E8500 the 157% better value option.