Pentium B940 vs FX-4100

Pentium B940

2 Cores2 Thrd35 WWMax: 2 GHz2011

FX-4100

4 Cores4 Thrd95 WWMax: 3.8 GHz2011

Performance Spectrum - CPU

Pentium B940

2 / 2

2,610

0.0%

2,630

+0.8%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 Pentium B940 is positioned at rank 895 and the FX-4100 is on rank 728, 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 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 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 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	Pentium B940	FX-4100
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($11)	⚠️ Higher cost ($20)
Longevity	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)	🛑 Legacy (Zambezi (2011−2012) / 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	Pentium B940	FX-4100
Cost Efficiency	✅ Better overall value (+80%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($11)	⚠️ Higher cost ($20)

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.

Pentium B940 Benchmark Check

FX-4100 Benchmark Check

Technical Specifications

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

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.

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.

⚡

Processing Power

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

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

🧠

Memory & Platform

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

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

💰

Value Analysis

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