Xeon E3-1281 v3
VS
Core i7-5775R

Xeon E3-1281 v3 vs Core i7-5775R

Intel

Xeon E3-1281 v3

4 Cores8 Thrd82 WWMax: 4.1 GHz2014
VS
Intel

Core i7-5775R

4 Cores8 Thrd65 WWMax: 3.8 GHz2015

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 E3-1281 v3 is positioned at rank 758 and the Core i7-5775R is on rank 452, so the Core i7-5775R 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 E3-1281 v3

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
15203%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
2870%
#10
Xeon 6337P
MSRP: $60|Avg: $5
2550%
#15
EPYC 9174F
MSRP: $194|Avg: $30
1970%
#436
Xeon Gold 5218T
MSRP: $1572|Avg: $1349
100%
#437
Xeon 6960P
MSRP: $9625|Avg: $9625
99%
#438
EPYC 9555
MSRP: $9826|Avg: $7973
99%
#439
Xeon Gold 6338
MSRP: $2990|Avg: $1604
98%
#440
Xeon Gold 6538N
MSRP: $3351|Avg: $170
98%
#441
EPYC 7F52
MSRP: $3100|Avg: $1826
98%
#442
EPYC 7542
MSRP: $3400|Avg: $899
98%
#443
EPYC 9655
MSRP: $11852|Avg: $11852
96%
#444
Xeon 6781P
MSRP: $8960|Avg: $8960
96%
#445
Xeon Gold 6338N
MSRP: $3200|Avg: $3200
96%
#446
Xeon Gold 5117
MSRP: $1286|Avg: $300
96%
#758
Xeon E3-1281 v3
MSRP: $555|Avg: $636
100%
#768
Xeon E3-1270L v4
MSRP: $581|Avg: $636
96%
#771
Xeon E3-1545M v5
MSRP: $581|Avg: $636
96%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-5775R

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
6892%
#2
Core i9-10900T
MSRP: $120|Avg: $5
6512%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
4728%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
1424%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
1128%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
987%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
565%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
558%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
508%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
508%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
502%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
489%
#13
Core i3-9100E
MSRP: $202|Avg: $30
482%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
480%
#15
Core i3-8300T
MSRP: $138|Avg: $25
476%
#353
Core i9-11900T
MSRP: $439|Avg: $413
100%
#354
Ryzen Threadripper 7970X
MSRP: $2499|Avg: $2200
100%
#355
Core i9-10900
MSRP: $483|Avg: $426
99%
#356
Ryzen Embedded V1605B
MSRP: $150|Avg: $150
99%
#357
Core i9-10900K
MSRP: $499|Avg: $500
99%
#358
Celeron G4930
MSRP: $42|Avg: $57
99%
#359
Ryzen 7 2700E
MSRP: $329|Avg: $329
98%
#360
Ryzen Embedded V2516
MSRP: $300|Avg: $300
98%
#361
Ryzen Threadripper 9970X
MSRP: $2499|Avg: $2442
98%
#452
Core i7-5775R
MSRP: N/A|Avg: N/A
100%
#453
Phenom X4 9100e
MSRP: $200|Avg: $35
100%
#457
Celeron G3950
MSRP: $52|Avg: $30
99%
#462
Athlon X2 340
MSRP: $30|Avg: $15
98%
#466
Pentium G4600
MSRP: $82|Avg: $116
98%
#467
Celeron G3900TE
MSRP: $42|Avg: $45
97%
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 ($636) and a Consumer Desktop CPU. The Xeon E3-1281 v3 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.
InsightXeon E3-1281 v3Core i7-5775R
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($636)
More affordable ($0)
Longevity
🛑 Legacy (Legacy / 22 nm)
🛑 Legacy (Broadwell (2015−2019) / 14 nm)

💎 Value Proposition

The Core i7-5775R ($0), 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 ($636 less, 100% cheaper), making it the better choice for daily use and gaming.
InsightXeon E3-1281 v3Core i7-5775R
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($636)
More affordable ($0)

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 E3-1281 v3 and Core i7-5775R

Intel

Xeon E3-1281 v3

The Xeon E3-1281 v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 82 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 7,587 points. Launch price was $800.

Intel

Core i7-5775R

The Core i7-5775R is manufactured by Intel. It was released in 15 May 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1364. Thermal design power (TDP): 65 Watt. Memory support: DDR3L-1333, DDR3L-1600, DDR3L-1866. Passmark benchmark score: 7,598 points. Launch price was $149.

Processing Power

Both the Xeon E3-1281 v3 and Core i7-5775R share an identical 4-core/8-thread configuration. Boost clocks reach 4.1 GHz on the Xeon E3-1281 v3 versus 3.8 GHz on the Core i7-5775R — a 7.6% clock advantage for the Xeon E3-1281 v3 (base: 3.7 GHz vs 3.3 GHz). The Core i7-5775R is built on the Broadwell (2015−2019) architecture. In PassMark, the Xeon E3-1281 v3 scores 7,587 against the Core i7-5775R's 7,598 — a 0.1% lead for the Core i7-5775R. L3 cache: 8 MB Intel® Smart Cache on the Xeon E3-1281 v3 vs 6 MB (total) on the Core i7-5775R.

FeatureXeon E3-1281 v3Core i7-5775R
Cores / Threads
4 / 8
4 / 8
Boost Clock
4.1 GHz+8%
3.8 GHz
Base Clock
3.7 GHz+12%
3.3 GHz
L3 Cache
8 MB Intel® Smart Cache+33%
6 MB (total)
L2 Cache
256K (per core)
Process
22 nm
14 nm-36%
Architecture
Broadwell (2015−2019)
PassMark
7,587
7,598
🧠

Memory & Platform

The Xeon E3-1281 v3 uses the LGA1150 socket (PCIe 3.0), while the Core i7-5775R uses BGA1364 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureXeon E3-1281 v3Core i7-5775R
Socket
LGA1150
BGA1364
PCIe Generation
PCIe 3.0
PCIe 3.0