Xeon E5-2650L
VS
Xeon X5660

Xeon E5-2650L vs Xeon X5660

Intel

Xeon E5-2650L

8 Cores16 Thrd70 WWMax: 2.3 GHz2012
VS
Intel

Xeon X5660

6 Cores12 Thrd95 WWMax: 3.2 GHz2010

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 Xeon E5-2650L is positioned at rank 916 and the Xeon X5660 is on rank 990, so the Xeon E5-2650L 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 Xeon E5-2650L

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
25689%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
4850%
#10
Xeon 6337P
MSRP: $60|Avg: $5
4309%
#15
EPYC 9174F
MSRP: $194|Avg: $30
3329%
#515
Xeon E5-4640 v4
MSRP: $2837|Avg: N/A
98%
#516
Xeon E7-8867 v3
MSRP: $4672|Avg: $4672
98%
#517
Xeon Gold 6150
MSRP: $3358|Avg: $196
97%
#518
Xeon E5-1680 v3
MSRP: $1723|Avg: $200
95%
#519
Xeon E5-2690 v3
MSRP: $2090|Avg: $85
95%
#520
Xeon 6780E
MSRP: $11350|Avg: $8513
94%
#521
Xeon E5-2697A v4
MSRP: $2891|Avg: $121
92%
#522
Xeon Gold 6134
MSRP: $2214|Avg: $378
92%
#916
Xeon E5-2650L
MSRP: $748|Avg: $129
100%
#918
Xeon E5410
MSRP: $256|Avg: $20
98%
#924
Xeon E5-1660
MSRP: $1080|Avg: $29
95%
#931
Xeon E5-2660 v2
MSRP: $1393|Avg: $129
92%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon X5660

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
42413%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
8008%
#10
Xeon 6337P
MSRP: $60|Avg: $5
7115%
#15
EPYC 9174F
MSRP: $194|Avg: $30
5496%
#537
Xeon Platinum 8180
MSRP: $10009|Avg: $2363
78%
#538
Xeon Platinum 8280M
MSRP: $10009|Avg: $6223
77%
#990
Xeon X5660
MSRP: $1219|Avg: $10
100%
#991
Xeon E5-2667
MSRP: $1552|Avg: $31
98%
#992
Xeon E5-2690
MSRP: $2057|Avg: $150
97%
#993
Xeon E3-1565L v5
MSRP: $1552|Avg: $120
96%
#994
Xeon L5640
MSRP: $996|Avg: N/A
96%
#995
Xeon L5335
MSRP: $380|Avg: $18
93%
#996
Xeon E5-4627 v2
MSRP: $2061|Avg: $70
93%
#997
Xeon E-2144G
MSRP: $2090|Avg: $389
92%
#998
Xeon X5675
MSRP: $1440|Avg: $22
91%
#999
Xeon Phi 7210
MSRP: $1881|Avg: $150
79%
#1000
Xeon D-1567
MSRP: $2702|Avg: $230
79%
#1001
Xeon E-2126G
MSRP: $2702|Avg: $230
79%
#1004
Xeon D-1531
MSRP: $2057|Avg: $250
76%
#1005
Xeon 5130
MSRP: $316|Avg: $10
76%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Xeon E5-2650L delivers superior performance across the board. It outperforms the Xeon X5660 in both compute-intensive tasks (1.3% faster) and gaming workloads.
InsightXeon E5-2650LXeon X5660
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($129)
More affordable ($10)
Longevity
🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm)
🛑 Legacy (Westmere-EP (2010−2011) / 32 nm)

💎 Value Proposition

Value Proposition: While both processors are considered legacy components by modern standards, the Xeon X5660 holds the technical lead in efficiency. Priced at $10 (vs $129), it costs 92% less. While offering basic entry-level performance, it results in a 1174% higher cost efficiency score compared to the Xeon E5-2650L.
InsightXeon E5-2650LXeon X5660
Cost Efficiency
Lower cost efficiency
Better overall value (+1174%)
Upfront Cost
⚠️ Higher cost ($129)
More affordable ($10)

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 Xeon E5-2650L and Xeon X5660

Intel

Xeon E5-2650L

The Xeon E5-2650L is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 8 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 2.3 GHz. L3 cache: 20480 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 70 Watt. Memory support: DDR3. Passmark benchmark score: 6,055 points. Launch price was $142.

Intel

Xeon X5660

The Xeon X5660 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.8 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,979 points. Launch price was $33.

Processing Power

The Xeon E5-2650L packs 8 cores / 16 threads, while the Xeon X5660 offers 6 cores / 12 threads — the Xeon E5-2650L has 2 more cores. Boost clocks reach 2.3 GHz on the Xeon E5-2650L versus 3.2 GHz on the Xeon X5660 — a 32.7% clock advantage for the Xeon X5660 (base: 1.8 GHz vs 2.8 GHz). The Xeon E5-2650L uses the Sandy Bridge-EP (2012) architecture (32 nm), while the Xeon X5660 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Xeon E5-2650L scores 6,055 against the Xeon X5660's 5,979 — a 1.3% lead for the Xeon E5-2650L. L3 cache: 20480 kB (total) on the Xeon E5-2650L vs 12 MB (total) on the Xeon X5660.

FeatureXeon E5-2650LXeon X5660
Cores / Threads
8 / 16+33%
6 / 12
Boost Clock
2.3 GHz
3.2 GHz+39%
Base Clock
1.8 GHz
2.8 GHz+56%
L3 Cache
20480 kB (total)+67%
12 MB (total)
L2 Cache
256 kB (per core)
256 kB (per core)
Process
32 nm
32 nm
Architecture
Sandy Bridge-EP (2012)
Westmere-EP (2010−2011)
PassMark
6,055+1%
5,979
🧠

Memory & Platform

The Xeon E5-2650L uses the LGA2011 socket (PCIe 5.0), while the Xeon X5660 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureXeon E5-2650LXeon X5660
Socket
LGA2011
LGA1366
PCIe Generation
PCIe 5.0+150%
PCIe 2.0
Max RAM Speed
DDR3-1333
RAM Channels
3
ECC Support
🔧

Advanced Features

Virtualization: not specified (Xeon E5-2650L) / VT-x, VT-d, EPT (Xeon X5660). Primary use case: Xeon X5660 targets Workstation. Direct competitor: Xeon X5660 rivals Core i7-980X.

FeatureXeon E5-2650LXeon X5660
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d, EPT
Target Use
Workstation
💰

Value Analysis

The Xeon E5-2650L launched at $748 MSRP, while the Xeon X5660 debuted at $1219. At current prices ($129 vs $10), the Xeon X5660 is $119 cheaper. In terms of value (PassMark points per dollar), the Xeon E5-2650L delivers 46.9 pts/$ vs 597.9 pts/$ for the Xeon X5660 — making the Xeon X5660 the 170.9% better value option.

FeatureXeon E5-2650LXeon X5660
MSRP
$748-39%
$1219
Avg Price (30d)
$129
$10-92%
Performance per Dollar
46.9
597.9+1175%
Release Date
2012
2010