Xeon D-1521
VS
Core i7-2700K

Xeon D-1521 vs Core i7-2700K

Intel

Xeon D-1521

4 Cores8 Thrd45 WWMax: 2.7 GHz2015
VS
Intel

Core i7-2700K

4 Cores8 Thrd95 WWMax: 3.9 GHz2011

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 D-1521 is positioned at rank 505 and the Core i7-2700K is on rank 863, so the Xeon D-1521 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 D-1521

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
7251%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
1369%
#10
Xeon 6337P
MSRP: $60|Avg: $5
1216%
#15
EPYC 9174F
MSRP: $194|Avg: $30
940%
#312
EPYC 7643P
MSRP: $2722|Avg: $2722
99%
#313
Xeon w5-3435X
MSRP: $1589|Avg: $163
99%
#314
Xeon Gold 6312U
MSRP: $1645|Avg: N/A
99%
#315
EPYC 7443
MSRP: $2010|Avg: $1800
98%
#316
Xeon Gold 6416H
MSRP: $1845|Avg: N/A
98%
#318
EPYC 7343
MSRP: $1565|Avg: $1350
97%
#319
Ryzen Threadripper PRO 5965WX
MSRP: $2399|Avg: $225
97%
#320
EPYC 7413
MSRP: $1825|Avg: $450
97%
#505
Xeon D-1521
MSRP: $199|Avg: $241
100%
#513
Xeon E3-1220 v5
MSRP: $203|Avg: $100
98%
#515
Xeon X5690
MSRP: $250|Avg: $250
98%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-2700K

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
18186%
#2
Core i9-10900T
MSRP: $120|Avg: $5
17184%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
12477%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
3759%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
2977%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
2605%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
1492%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
1472%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
1341%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
1340%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
1325%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
1290%
#13
Core i3-9100E
MSRP: $202|Avg: $30
1272%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
1267%
#15
Core i3-8300T
MSRP: $138|Avg: $25
1255%
#298
Core i9-7960X
MSRP: $1699|Avg: $185
96%
#863
Core i7-2700K
MSRP: $332|Avg: $45
100%
#865
Core i5-4670K
MSRP: $328|Avg: $200
99%
#866
Core i5-3330S
MSRP: $231|Avg: $30
99%
#867
Celeron G465
MSRP: $70|Avg: $37
99%
#868
Athlon II X4 630
MSRP: $129|Avg: $15
98%
#869
A6-7400K
MSRP: $101|Avg: $43
97%
#870
Core i7-4765T
MSRP: $303|Avg: $50
97%
#871
Core i7-4770TE
MSRP: $303|Avg: $303
97%
#872
Core i5-4570T
MSRP: $195|Avg: $45
96%
#873
Athlon II X2 260u
MSRP: $60|Avg: $10
96%
#875
A4-3420
MSRP: $65|Avg: $30
96%
#876
Core i5-5675R
MSRP: $339|Avg: $392
96%
#877
Pentium G3470
MSRP: $150|Avg: $130
95%
#878
Core i5-3335S
MSRP: $225|Avg: $30
95%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Use Case Distinction: This is a comparison between a Professional Workstation processor ($241) and a Consumer Desktop CPU. The Xeon D-1521 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.
InsightXeon D-1521Core i7-2700K
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($241)
More affordable ($45)
Longevity
🛑 Legacy (Broadwell (2015−2019) / 14 nm)
🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

The Core i7-2700K ($45), however, is optimized for mixed workloads and gaming. For most users, it offers superior single-thread performance and responsiveness at a fraction of the cost ($196 less, 81% cheaper), making it the better choice for daily use and gaming.
InsightXeon D-1521Core i7-2700K
Cost Efficiency
Lower cost efficiency
Better overall value (+434%)
Upfront Cost
⚠️ Higher cost ($241)
More affordable ($45)

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 D-1521 and Core i7-2700K

Intel

Xeon D-1521

The Xeon D-1521 is manufactured by Intel. It was released in 1 November 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 2.7 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 5,703 points. Launch price was $199.

Intel

Core i7-2700K

The Core i7-2700K is manufactured by Intel. It was released in 24 October 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,689 points. Launch price was $514.

Processing Power

Both the Xeon D-1521 and Core i7-2700K share an identical 4-core/8-thread configuration. Boost clocks reach 2.7 GHz on the Xeon D-1521 versus 3.9 GHz on the Core i7-2700K — a 36.4% clock advantage for the Core i7-2700K (base: 2.4 GHz vs 3.5 GHz). The Xeon D-1521 uses the Broadwell (2015−2019) architecture (14 nm), while the Core i7-2700K uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Xeon D-1521 scores 5,703 against the Core i7-2700K's 5,689 — a 0.2% lead for the Xeon D-1521. L3 cache: 1.5 MB (per core) on the Xeon D-1521 vs 8 MB (total) on the Core i7-2700K.

FeatureXeon D-1521Core i7-2700K
Cores / Threads
4 / 8
4 / 8
Boost Clock
2.7 GHz
3.9 GHz+44%
Base Clock
2.4 GHz
3.5 GHz+46%
L3 Cache
1.5 MB (per core)
8 MB (total)+433%
L2 Cache
256K (per core)
256 kB (per core)
Process
14 nm-56%
32 nm
Architecture
Broadwell (2015−2019)
Sandy Bridge (2011−2013)
PassMark
5,703
5,689
Geekbench 6 Single
701
🧠

Memory & Platform

The Xeon D-1521 uses the FCBGA1667 socket (PCIe 3.0), while the Core i7-2700K uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureXeon D-1521Core i7-2700K
Socket
FCBGA1667
LGA1155
PCIe Generation
PCIe 3.0+50%
PCIe 2.0
Max RAM Speed
DDR3-1333
Max RAM Capacity
32 GB
RAM Channels
2
ECC Support
PCIe Lanes
16
🔧

Advanced Features

Virtualization: not specified (Xeon D-1521) / VT-x (Core i7-2700K). The Core i7-2700K includes integrated graphics (HD Graphics 3000), while the Xeon D-1521 requires a dedicated GPU. Primary use case: Core i7-2700K targets Gaming Desktop. Direct competitor: Core i7-2700K rivals FX-8150.

FeatureXeon D-1521Core i7-2700K
Integrated GPU
Yes
IGPU Model
HD Graphics 3000
Unlocked
Yes
AVX-512
No
Virtualization
VT-x
Target Use
Gaming Desktop
💰

Value Analysis

The Xeon D-1521 launched at $199 MSRP, while the Core i7-2700K debuted at $332. At current prices ($241 vs $45), the Core i7-2700K is $196 cheaper. In terms of value (PassMark points per dollar), the Xeon D-1521 delivers 23.7 pts/$ vs 126.4 pts/$ for the Core i7-2700K — making the Core i7-2700K the 136.9% better value option.

FeatureXeon D-1521Core i7-2700K
MSRP
$199-40%
$332
Avg Price (30d)
$241
$45-81%
Performance per Dollar
23.7
126.4+433%
Release Date
2015
2011