FX-8120 vs Xeon E5-4620

FX-8120

8 Cores8 Thrd125 WWMax: 4 GHz2011

Xeon E5-4620

8 Cores16 Thrd130 WWMax: 2.6 GHz2012

Performance Spectrum - CPU

FX-8120

8 / 8

6,594

0.0%

Ryzen Threadripper 3970X

Ryzen Threadripper PRO 7965WX

Xeon E5-4620

8 / 16

6,635

+0.6%

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 FX-8120 is positioned at rank 567 and the Xeon E5-4620 is on rank 1013, so the FX-8120 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 FX-8120

Ryzen 9 7950X

MSRP: $194|Avg: $20

9690%

Core i9-10900T

MSRP: $120|Avg: $5

9156%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

6648%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

2003%

Ryzen 9 9950X

MSRP: $649|Avg: $129

1586%

Ryzen 5 8400F

MSRP: $303|Avg: $55

1388%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

795%

Ryzen 5 2600X

MSRP: $229|Avg: $55

784%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

714%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

714%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

706%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

687%

#13

Core i3-9100E

MSRP: $202|Avg: $30

678%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

675%

#15

Core i3-8300T

MSRP: $138|Avg: $25

669%

#567

FX-8120

MSRP: $205|Avg: $40

100%

#568

Core i3-7100T

MSRP: $117|Avg: $39

100%

#569

Pentium E2220

MSRP: $32|Avg: $32

100%

#571

Pentium G620T

MSRP: $64|Avg: $90

100%

#572

Pentium G4500T

MSRP: $75|Avg: $20

99%

#573

Core i5-7500

MSRP: $199|Avg: $65

99%

#574

Core i7-7700

MSRP: $272|Avg: $102

99%

#575

Celeron G1610T

MSRP: $42|Avg: $42

99%

#576

Athlon X4 750K

MSRP: $91|Avg: $17

98%

#577

Core i7-7700K

MSRP: $305|Avg: $140

98%

#578

Core i5-7600K

MSRP: $217|Avg: $84

98%

#579

FX-6300

MSRP: $132|Avg: $35

97%

#581

Core i3-6100T

MSRP: $117|Avg: $20

97%

#582

Athlon X4 970

MSRP: $85|Avg: $85

97%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5-4620

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

67040%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

12658%

#10

Xeon 6337P

MSRP: $60|Avg: $5

11246%

#15

EPYC 9174F

MSRP: $194|Avg: $30

8688%

#541

Xeon E5-4669 v4

MSRP: $7007|Avg: $300

81%

#1013

Xeon E5-4620

MSRP: $2141|Avg: $400

100%

#1014

Xeon E5-2680

MSRP: $3226|Avg: $40

93%

#1016

Xeon E5-4640

MSRP: $2725|Avg: N/A

83%

#1018

Xeon E5-4650

MSRP: $3616|Avg: $71

77%

#1019

Xeon E5-4655 v4

MSRP: $4616|Avg: N/A

76%

#1020

Xeon E5-4650L

MSRP: $3616|Avg: N/A

76%

#1021

Xeon E-2224

MSRP: $3226|Avg: $195

72%

#1022

Athlon MP 2400+

MSRP: $151|Avg: $20

65%

#1023

Xeon E5-2640 v2

MSRP: $4115|Avg: $530

60%

#1024

Xeon E5-2650L v2

MSRP: $4115|Avg: $1078

60%

#1025

Opteron 142

MSRP: $292|Avg: $20

49%

#1026

Athlon MP 2800+

MSRP: $275|Avg: $10

45%

#1027

Xeon L3110

MSRP: $1000|Avg: $950

43%

#1028

Xeon 2.66

MSRP: $337|Avg: $10

43%

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 ($400) and a Consumer Desktop CPU. The Xeon E5-4620 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	FX-8120	Xeon E5-4620
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($40)	⚠️ Higher cost ($400)
Longevity	🛑 Legacy (Zambezi (2011−2012) / 32 nm)	🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm)

💎 Value Proposition

The FX-8120 ($40), 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 ($360 less, 90% cheaper), making it the better choice for daily use and gaming.

Insight	FX-8120	Xeon E5-4620
Cost Efficiency	✅ Better overall value (+894%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($40)	⚠️ Higher cost ($400)

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.

FX-8120 Benchmark Check

Xeon E5-4620 Benchmark Check

Technical Specifications

Side-by-side comparison of FX-8120 and Xeon E5-4620

FX-8120

The FX-8120 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 4 GHz. L3 cache: 8192 kB. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 6,594 points. Launch price was $149.

Xeon E5-4620

The Xeon E5-4620 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 8 cores and 16 threads. Base frequency is 2.2 GHz, with boost up to 2.6 GHz. L3 cache: 16384 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 6,635 points. Launch price was $400.

⚡

Processing Power

The FX-8120 packs 8 cores / 8 threads, matching the Xeon E5-4620's 8 cores. Boost clocks reach 4 GHz on the FX-8120 versus 2.6 GHz on the Xeon E5-4620 — a 42.4% clock advantage for the FX-8120 (base: 3.1 GHz vs 2.2 GHz). The FX-8120 uses the Zambezi (2011−2012) architecture (32 nm), while the Xeon E5-4620 uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the FX-8120 scores 6,594 against the Xeon E5-4620's 6,635 — a 0.6% lead for the Xeon E5-4620. L3 cache: 8192 kB on the FX-8120 vs 16384 kB (total) on the Xeon E5-4620.

Feature	FX-8120	Xeon E5-4620
Cores / Threads	8 / 8	8 / 16
Boost Clock	4 GHz+54%	2.6 GHz
Base Clock	3.1 GHz+41%	2.2 GHz
L3 Cache	8192 kB	16384 kB (total)+100%
L2 Cache	8192 kB+3100%	256 kB (per core)
Process	32 nm	32 nm
Architecture	Zambezi (2011−2012)	Sandy Bridge-EP (2012)
PassMark	6,594	6,635

🧠

Memory & Platform

The FX-8120 uses the AM3+ socket (PCIe 2.0), while the Xeon E5-4620 uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	FX-8120	Xeon E5-4620
Socket	AM3+	LGA2011
PCIe Generation	PCIe 2.0	PCIe 2.0

💰

Value Analysis

The FX-8120 launched at $205 MSRP, while the Xeon E5-4620 debuted at $2141. At current prices ($40 vs $400), the FX-8120 is $360 cheaper. In terms of value (PassMark points per dollar), the FX-8120 delivers 164.8 pts/$ vs 16.6 pts/$ for the Xeon E5-4620 — making the FX-8120 the 163.4% better value option.