Phenom II X4 X920 BE vs Athlon II X3 455

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 Phenom II X4 X920 BE is positioned at rank 308 and the Athlon II X3 455 is on rank 750, so the Phenom II X4 X920 BE 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 Phenom II X4 X920 BE

#296

Atom x5-Z8300

MSRP: $20|Avg: N/A

455%

#297

Atom Z3735G

MSRP: $17|Avg: N/A

448%

#298

Core i5-480M

MSRP: $81|Avg: $77

411%

#299

Core i5-460M

MSRP: $80|Avg: $129

410%

#300

Core i5-2540M

MSRP: $266|Avg: $10

406%

#302

Core i5-450M

MSRP: $32|Avg: $31

392%

#303

Core i3-380M

MSRP: $49|Avg: $25

376%

#304

Core i5-430M

MSRP: N/A|Avg: $33

375%

#305

Core 2 Duo T6600

MSRP: N/A|Avg: $4

365%

#308

Phenom II X4 X920 BE

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Athlon II X3 455

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

14156%

#2

Core i9-10900T

MSRP: $120|Avg: $5

13376%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

9712%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

2926%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

2318%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

2027%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1161%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

1146%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1044%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1043%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

1032%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

1004%

#13

Core i3-9100E

MSRP: $202|Avg: $30

990%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

986%

#15

Core i3-8300T

MSRP: $138|Avg: $25

977%

#750

Athlon II X3 455

MSRP: $88|Avg: $15

100%

#751

Core i5-3570S

MSRP: $213|Avg: $59

100%

#752

Core i7-3770

MSRP: $294|Avg: $60

99%

#753

Pentium G2120

MSRP: $86|Avg: $20

99%

#754

Core i5-3340S

MSRP: $182|Avg: $25

99%

#755

Celeron G1101

MSRP: $50|Avg: $20

99%

#756

FX-8150

MSRP: $245|Avg: $50

99%

#757

Pentium G3240

MSRP: $89|Avg: $126

99%

#758

Core i5-3550S

MSRP: $205|Avg: $100

98%

#759

FX-8140

MSRP: $225|Avg: $120

98%

#760

Athlon X2 450

MSRP: $60|Avg: $15

98%

#761

Athlon II X3 450

MSRP: $87|Avg: $15

97%

#762

Core i7-4790

MSRP: $339|Avg: $60

97%

#763

Pentium G640

MSRP: $64|Avg: $5

97%

#764

Pentium G840

MSRP: $64|Avg: $15

97%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Athlon II X3 455 delivers superior performance across the board. It outperforms the Phenom II X4 X920 BE in both compute-intensive tasks (0.2% faster) and gaming workloads.

Insight	Phenom II X4 X920 BE	Athlon II X3 455
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($15)
Longevity	🛑 Legacy (Champlain (2010−2011) / 45 nm)	🛑 Legacy (Rana (2009−2011) / 45 nm)

💎 Value Proposition

Insight	Phenom II X4 X920 BE	Athlon II X3 455
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($15)

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.

Phenom II X4 X920 BE Benchmark Check

Athlon II X3 455 Benchmark Check

Technical Specifications

Side-by-side comparison of Phenom II X4 X920 BE and Athlon II X3 455

Phenom II X4 X920 BE

The Phenom II X4 X920 BE is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 4 cores and 4 threads. Max frequency: 2.3 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,935 points. Launch price was $149.

Athlon II X3 455

The Athlon II X3 455 is manufactured by AMD. It was released in 7 December 2010 (14 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,938 points. Launch price was $88.

⚡

Processing Power

The Phenom II X4 X920 BE packs 4 cores / 4 threads, while the Athlon II X3 455 offers 3 cores / 3 threads — the Phenom II X4 X920 BE has 1 more core. Boost clocks reach 2.3 GHz on the Phenom II X4 X920 BE versus 3.3 GHz on the Athlon II X3 455 — a 35.7% clock advantage for the Athlon II X3 455. The Phenom II X4 X920 BE uses the Champlain (2010−2011) architecture (45 nm), while the Athlon II X3 455 uses Rana (2009−2011) (45 nm). In PassMark, the Phenom II X4 X920 BE scores 1,935 against the Athlon II X3 455's 1,938 — a 0.2% lead for the Athlon II X3 455.

Feature	Phenom II X4 X920 BE	Athlon II X3 455
Cores / Threads	4 / 4+33%	3 / 3
Boost Clock	2.3 GHz	3.3 GHz+43%
Base Clock	—	3.3 GHz
L3 Cache	—	0 kB
L2 Cache	2 MB+300%	512 kB (per core)
Process	45 nm	45 nm
Architecture	Champlain (2010−2011)	Rana (2009−2011)
PassMark	1,935	1,938

🧠

Memory & Platform

The Phenom II X4 X920 BE uses the S1 socket (PCIe 2.0), while the Athlon II X3 455 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.