Core i7-3960X vs Xeon W-2123

Core i7-3960X

6 Cores12 Thrd130 WWMax: 3.9 GHz2011

Xeon W-2123

4 Cores8 Thrd120 WWMax: 3.9 GHz2017

Performance Spectrum - CPU

Core i7-3960X

6 / 12

8,402

0.0%

8,519

+1.4%

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 i7-3960X is positioned at rank 1024 and the Xeon W-2123 is on rank 497, so the Xeon W-2123 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 i7-3960X

Ryzen 9 7950X

MSRP: $194|Avg: $20

37065%

Core i9-10900T

MSRP: $120|Avg: $5

35023%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

25429%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

7661%

Ryzen 9 9950X

MSRP: $649|Avg: $129

6068%

Ryzen 5 8400F

MSRP: $303|Avg: $55

5308%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

3040%

Ryzen 5 2600X

MSRP: $229|Avg: $55

3001%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

2732%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

2732%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

2701%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

2629%

#13

Core i3-9100E

MSRP: $202|Avg: $30

2592%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

2581%

#15

Core i3-8300T

MSRP: $138|Avg: $25

2558%

#396

Ryzen Embedded R2314

MSRP: $300|Avg: $762

91%

#1024

Core i7-3960X

MSRP: $999|Avg: $60

100%

#1025

Celeron 2.70

MSRP: $49|Avg: $49

99%

#1027

A10 PRO-7850B

MSRP: $426|Avg: $140

96%

#1028

Core 2 Quad Q8200

MSRP: $224|Avg: $36

96%

#1029

A12-9800E

MSRP: $426|Avg: $150

95%

#1030

Phenom II X6 1065T

MSRP: $426|Avg: $170

95%

#1031

Celeron 440

MSRP: $59|Avg: $10

95%

#1032

A8-3820

MSRP: $280|Avg: $200

93%

#1033

Core i7-860S

MSRP: $299|Avg: $96

92%

#1035

PRO A10-8770E

MSRP: $395|Avg: $210

90%

#1036

Core 2 Duo E4700

MSRP: $133|Avg: $10

90%

#1037

Athlon 64 X2 5800+

MSRP: $230|Avg: $20

90%

#1038

Phenom II X2 B53

MSRP: $150|Avg: $15

90%

#1039

Core 2 Quad Q9300

MSRP: $266|Avg: $27

90%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon W-2123

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

7171%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

1354%

#10

Xeon 6337P

MSRP: $60|Avg: $5

1203%

#15

EPYC 9174F

MSRP: $194|Avg: $30

929%

#309

Xeon W-2255

MSRP: $778|Avg: $350

100%

#310

Xeon Silver 4316

MSRP: $1126|Avg: $1200

100%

#311

Xeon w7-3545

MSRP: $2039|Avg: $2039

99%

#312

EPYC 7643P

MSRP: $2722|Avg: $2722

98%

#313

Xeon w5-3435X

MSRP: $1589|Avg: $163

98%

#314

Xeon Gold 6312U

MSRP: $1645|Avg: N/A

98%

#315

EPYC 7443

MSRP: $2010|Avg: $1800

97%

#497

Xeon W-2123

MSRP: $294|Avg: $342

100%

#500

Xeon E3-1230 v2

MSRP: $215|Avg: $268

99%

#505

Xeon D-1521

MSRP: $199|Avg: $241

99%

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 Xeon W-2123 (2017) utilizes 14 nm technology and DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666, providing a fundamental performance advantage.

Insight	Core i7-3960X	Xeon W-2123
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($60)	⚠️ Higher cost ($342)
Longevity	🛑 Legacy (Sandy Bridge-E (2011−2013) / 32 nm)	✨ Modern (Skylake (server) (2017−2018) / 14 nm)

💎 Value Proposition

The Core i7-3960X (2011) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Core i7-3960X	Xeon W-2123
Cost Efficiency	✅ Better overall value (+462%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($60)	⚠️ Higher cost ($342)

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.

Core i7-3960X Benchmark Check

Xeon W-2123 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-3960X and Xeon W-2123

Core i7-3960X

The Core i7-3960X is manufactured by Intel. It was released in 14 November 2011 (14 years ago). It is based on the Sandy Bridge-E (2011−2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 3.9 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 8,402 points. Launch price was $861.

Xeon W-2123

The Xeon W-2123 is manufactured by Intel. It was released in 29 August 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 3.9 GHz. L3 cache: 8.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666. Passmark benchmark score: 8,519 points. Launch price was $294.

⚡

Processing Power

The Core i7-3960X packs 6 cores / 12 threads, while the Xeon W-2123 offers 4 cores / 8 threads — the Core i7-3960X has 2 more cores. Boost clocks reach 3.9 GHz on the Core i7-3960X versus 3.9 GHz on the Xeon W-2123 — identical boost frequencies (base: 3.3 GHz vs 3.6 GHz). The Core i7-3960X uses the Sandy Bridge-E (2011−2013) architecture (32 nm), while the Xeon W-2123 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i7-3960X scores 8,402 against the Xeon W-2123's 8,519 — a 1.4% lead for the Xeon W-2123. Geekbench 6 single-core — the metric most relevant to gaming — records 658 vs 1,172, a 56.2% lead for the Xeon W-2123 that directly translates to higher frame rates. Multi-core Geekbench: 4,973 vs 4,215 (16.5% advantage for the Core i7-3960X). L3 cache: 15 MB (total) on the Core i7-3960X vs 8.25 MB (total) on the Xeon W-2123.

Feature	Core i7-3960X	Xeon W-2123
Cores / Threads	6 / 12+50%	4 / 8
Boost Clock	3.9 GHz	3.9 GHz
Base Clock	3.3 GHz	3.6 GHz+9%
L3 Cache	15 MB (total)+82%	8.25 MB (total)
L2 Cache	256 kB (per core)	1 MB (per core)+300%
Process	32 nm	14 nm-56%
Architecture	Sandy Bridge-E (2011−2013)	Skylake (server) (2017−2018)
PassMark	8,402	8,519+1%
Geekbench 6 Single	658	1,172+78%
Geekbench 6 Multi	4,973+18%	4,215

🧠

Memory & Platform

The Core i7-3960X uses the LGA2011 socket (PCIe 2.0), while the Xeon W-2123 uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i7-3960X versus DDR4-2666 on the Xeon W-2123 — the Xeon W-2123 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-2123 supports up to 512 GB of RAM compared to 64 GB — 155.6% more capacity for professional workloads. Both feature 4-channel memory with ECC support. PCIe lanes: 40 (Core i7-3960X) vs 48 (Xeon W-2123) — the Xeon W-2123 offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X79 (Core i7-3960X) and C422 (Xeon W-2123).

Feature	Core i7-3960X	Xeon W-2123
Socket	LGA2011	LGA2066
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1600	DDR4-2666+33%
Max RAM Capacity	64 GB	512 GB+700%
RAM Channels	4	4
ECC Support	❌	✅
PCIe Lanes	40	48+20%

🔧

Advanced Features

Only the Xeon W-2123 supports AVX-512 instructions — important for machine learning and scientific applications. Both support Yes virtualization.

Feature	Core i7-3960X	Xeon W-2123
Integrated GPU	No	No
AVX-512	No	Yes
Virtualization	Yes	Yes

💰

Value Analysis

The Core i7-3960X launched at $999 MSRP, while the Xeon W-2123 debuted at $294. At current prices ($60 vs $342), the Core i7-3960X is $282 cheaper. In terms of value (PassMark points per dollar), the Core i7-3960X delivers 140.0 pts/$ vs 24.9 pts/$ for the Xeon W-2123 — making the Core i7-3960X the 139.6% better value option.