FX-4100 vs Pentium B940

FX-4100

4 Cores4 Thrd95 WWMax: 3.8 GHz2011

Pentium B940

2 Cores2 Thrd35 WWMax: 2 GHz2011

Performance Spectrum - CPU

FX-4100

4 / 4

2,630

+0.8%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium B940

2 / 2

2,610

0.0%

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-4100 is positioned at rank 728 and the Pentium B940 is on rank 895, so the FX-4100 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-4100

Ryzen 9 7950X

MSRP: $194|Avg: $20

13630%

Core i9-10900T

MSRP: $120|Avg: $5

12879%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

9351%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

2817%

Ryzen 9 9950X

MSRP: $649|Avg: $129

2231%

Ryzen 5 8400F

MSRP: $303|Avg: $55

1952%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1118%

Ryzen 5 2600X

MSRP: $229|Avg: $55

1103%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1005%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1005%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

993%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

967%

#13

Core i3-9100E

MSRP: $202|Avg: $30

953%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

949%

#15

Core i3-8300T

MSRP: $138|Avg: $25

941%

#728

FX-4100

MSRP: $115|Avg: $20

100%

#729

Core i5-7440EQ

MSRP: $250|Avg: $30

100%

#730

Core i5-3350P

MSRP: $189|Avg: $25

100%

#732

Core i3-4350T

MSRP: $138|Avg: $20

100%

#733

Athlon II X4 641

MSRP: $102|Avg: $102

99%

#734

Athlon II X3 460

MSRP: $87|Avg: $15

99%

#735

Pentium G2100T

MSRP: $75|Avg: $10

99%

#736

Core i5-3330

MSRP: $182|Avg: $21

99%

#737

Core i3-4330T

MSRP: $138|Avg: $15

98%

#738

Pentium E5300

MSRP: $62|Avg: $25

98%

#739

Athlon II X2 215

MSRP: $45|Avg: $10

98%

#740

Core i7-4790S

MSRP: $312|Avg: $60

98%

#741

Pentium G2020T

MSRP: $64|Avg: $69

98%

#742

FX-6100

MSRP: $165|Avg: $25

98%

#743

Core i7-4771

MSRP: $320|Avg: $78

98%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium B940

#883

Atom x5-Z8300

MSRP: $20|Avg: N/A

1506%

#884

Atom Z3735G

MSRP: $17|Avg: N/A

1484%

#885

Core i5-480M

MSRP: $81|Avg: $77

1362%

#886

Core i5-460M

MSRP: $80|Avg: $129

1356%

#887

Core i5-2540M

MSRP: $266|Avg: $10

1344%

#889

Core i5-450M

MSRP: $32|Avg: $31

1298%

#890

Core i3-380M

MSRP: $49|Avg: $25

1244%

#891

Core i5-430M

MSRP: N/A|Avg: $33

1242%

#892

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1209%

#895

Pentium B940

MSRP: $134|Avg: $11

100%

#896

Core i5-8305G

MSRP: $350|Avg: $350

100%

#897

Celeron 6305

MSRP: $107|Avg: $80

100%

#900

Core i7-8705G

MSRP: $400|Avg: $400

98%

#902

Pentium Dual Core T2410

MSRP: $100|Avg: $100

97%

#903

FX-8800P

MSRP: $150|Avg: $45

97%

#905

Core i7-8809G

MSRP: $450|Avg: $450

96%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The FX-4100 delivers superior performance across the board. It outperforms the Pentium B940 in both compute-intensive tasks (0.8% faster) and gaming workloads.

Insight	FX-4100	Pentium B940
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($20)	✅ More affordable ($11)
Longevity	🛑 Legacy (Zambezi (2011−2012) / 32 nm)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

Value Proposition: While both processors are considered legacy components by modern standards, the Pentium B940 holds the technical lead in efficiency. Priced at $11 (vs $20), it costs 45% less. While offering basic entry-level performance, it results in a 80% higher cost efficiency score compared to the FX-4100.

Insight	FX-4100	Pentium B940
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+80%)
Upfront Cost	⚠️ Higher cost ($20)	✅ More affordable ($11)

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-4100 Benchmark Check

Pentium B940 Benchmark Check

Technical Specifications

Side-by-side comparison of FX-4100 and Pentium B940

FX-4100

The FX-4100 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 4 cores and 4 threads. Base frequency is 3.6 GHz, with boost up to 3.8 GHz. L3 cache: 8192 kB. L2 cache: 4096 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,630 points. Launch price was $69.

Pentium B940

The Pentium B940 is manufactured by Intel. It was released in 19 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,610 points. Launch price was $134.

⚡

Processing Power

The FX-4100 packs 4 cores / 4 threads, while the Pentium B940 offers 2 cores / 2 threads — the FX-4100 has 2 more cores. Boost clocks reach 3.8 GHz on the FX-4100 versus 2 GHz on the Pentium B940 — a 62.1% clock advantage for the FX-4100 (base: 3.6 GHz vs 2 GHz). The FX-4100 uses the Zambezi (2011−2012) architecture (32 nm), while the Pentium B940 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the FX-4100 scores 2,630 against the Pentium B940's 2,610 — a 0.8% lead for the FX-4100. L3 cache: 8192 kB on the FX-4100 vs 2 MB (total) on the Pentium B940.

Feature	FX-4100	Pentium B940
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	3.8 GHz+90%	2 GHz
Base Clock	3.6 GHz+80%	2 GHz
L3 Cache	8192 kB+300%	2 MB (total)
L2 Cache	4096 kB+1500%	256K (per core)
Process	32 nm	32 nm
Architecture	Zambezi (2011−2012)	Sandy Bridge (2011−2013)
PassMark	2,630	2,610

🧠

Memory & Platform

The FX-4100 uses the AM3+ socket (PCIe 2.0), while the Pentium B940 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	FX-4100	Pentium B940
Socket	AM3+	PGA988
PCIe Generation	PCIe 2.0	PCIe 2.0

💰

Value Analysis

The FX-4100 launched at $115 MSRP, while the Pentium B940 debuted at $134. At current prices ($20 vs $11), the Pentium B940 is $9 cheaper. In terms of value (PassMark points per dollar), the FX-4100 delivers 131.5 pts/$ vs 237.3 pts/$ for the Pentium B940 — making the Pentium B940 the 57.4% better value option.