Phenom II X6 1055T (95W) vs Xeon E5-2420

Performance Spectrum - CPU

Phenom II X6 1055T (95W)

6 / 6

4,965

0.0%

Ryzen Threadripper PRO 7965WX

Xeon E5-2420

6 / 12

5,012

+0.9%

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 Phenom II X6 1055T (95W) is positioned at rank 37 and the Xeon E5-2420 is on rank 556, so the Phenom II X6 1055T (95W) 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 X6 1055T (95W)

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

1883%

#2

Core i9-10900T

MSRP: $120|Avg: $5

1780%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

1292%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

389%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

308%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

270%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

155%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

152%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

139%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

139%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

137%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

134%

#13

Core i3-9100E

MSRP: $202|Avg: $30

132%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

131%

#15

Core i3-8300T

MSRP: $138|Avg: $25

130%

#36

Ryzen 7 3800X

MSRP: $399|Avg: $140

99%

#37

Phenom II X6 1055T (95W)

MSRP: N/A|Avg: N/A

100%

#37

Ryzen 3 5300G

MSRP: $130|Avg: $80

99%

#38

Ryzen 9 7900X

MSRP: $549|Avg: $316

98%

#39

Ryzen 5 5600X

MSRP: $299|Avg: $135

98%

#40

Core i5-14600KF

MSRP: $304|Avg: $239

98%

#41

Ryzen 7 5800

MSRP: $349|Avg: $160

97%

#42

Core i3-14100F

MSRP: $109|Avg: $96

97%

#43

Ryzen 7 3700X

MSRP: $329|Avg: $140

97%

#44

Ryzen 5 7600X

MSRP: $299|Avg: $178

96%

#45

Ryzen 3 3100

MSRP: $99|Avg: $75

96%

#46

Core i5-13490F

MSRP: $235|Avg: $170

95%

#47

Ryzen 5 5600F

MSRP: $99|Avg: $129

95%

#48

Ryzen 9 PRO 3900

MSRP: $499|Avg: $200

94%

#49

Ryzen 3 4300GE

MSRP: $94|Avg: $72

94%

#50

Ryzen 5 PRO 2400GE

MSRP: $169|Avg: $50

94%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5-2420

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

8293%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

1566%

#10

Xeon 6337P

MSRP: $60|Avg: $5

1391%

#15

EPYC 9174F

MSRP: $194|Avg: $30

1075%

#335

Xeon Gold 6430

MSRP: $2128|Avg: $1850

100%

#336

Xeon Gold 6421N

MSRP: $2368|Avg: $2427

99%

#337

EPYC 7F72

MSRP: $2131|Avg: $2131

99%

#338

Xeon W-2265

MSRP: $1039|Avg: $663

99%

#339

Xeon w7-3555

MSRP: $2749|Avg: $2199

98%

#340

Xeon w7-3445

MSRP: $1989|Avg: $2596

98%

#341

EPYC 9275F

MSRP: $3439|Avg: $3439

98%

#342

Ryzen Threadripper PRO 7975WX

MSRP: $3899|Avg: $3971.7

98%

#343

EPYC 7543P

MSRP: $2730|Avg: $115

97%

#344

EPYC 9455P

MSRP: $4819|Avg: $4366

97%

#345

EPYC 9274F

MSRP: $3060|Avg: $2490

96%

#346

Xeon Gold 6438Y+

MSRP: $2607|Avg: $389

96%

#556

Xeon E5-2420

MSRP: N/A|Avg: N/A

100%

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 ($0) and a Consumer Desktop CPU. The Xeon E5-2420 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	Phenom II X6 1055T (95W)	Xeon E5-2420
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Thuban (2010) / 45 nm)	🛑 Legacy (Sandy Bridge-EN (2012) / 32 nm)

💎 Value Proposition

The Phenom II X6 1055T (95W) ($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 ($0 less, NaN% cheaper), making it the better choice for daily use and gaming.

Insight	Phenom II X6 1055T (95W)	Xeon E5-2420
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

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 X6 1055T (95W) Benchmark Check

Xeon E5-2420 Benchmark Check

Technical Specifications

Side-by-side comparison of Phenom II X6 1055T (95W) and Xeon E5-2420

Phenom II X6 1055T (95W)

The Phenom II X6 1055T (95W) is manufactured by AMD. It was released in 2009-01-01. It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 2.8 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB (total). 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: 4,965 points. Launch price was $149.

Xeon E5-2420

The Xeon E5-2420 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EN (2012) architecture. It features 6 cores and 12 threads. Base frequency is 1.9 GHz, with boost up to 2.4 GHz. L3 cache: 15360 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,012 points. Launch price was $390.

⚡

Processing Power

The Phenom II X6 1055T (95W) packs 6 cores / 6 threads, matching the Xeon E5-2420's 6 cores. Boost clocks reach 3.3 GHz on the Phenom II X6 1055T (95W) versus 2.4 GHz on the Xeon E5-2420 — a 31.6% clock advantage for the Phenom II X6 1055T (95W) (base: 2.8 GHz vs 1.9 GHz). The Phenom II X6 1055T (95W) uses the Thuban (2010) architecture (45 nm), while the Xeon E5-2420 uses Sandy Bridge-EN (2012) (32 nm). In PassMark, the Phenom II X6 1055T (95W) scores 4,965 against the Xeon E5-2420's 5,012 — a 0.9% lead for the Xeon E5-2420. L3 cache: 6 MB (total) on the Phenom II X6 1055T (95W) vs 15360 kB (total) on the Xeon E5-2420.

Feature	Phenom II X6 1055T (95W)	Xeon E5-2420
Cores / Threads	6 / 6	6 / 12
Boost Clock	3.3 GHz+38%	2.4 GHz
Base Clock	2.8 GHz+47%	1.9 GHz
L3 Cache	6 MB (total)	15360 kB (total)+150%
L2 Cache	512 kB (per core)+100%	256 kB (per core)
Process	45 nm	32 nm-29%
Architecture	Thuban (2010)	Sandy Bridge-EN (2012)
PassMark	4,965	5,012

🧠

Memory & Platform

The Phenom II X6 1055T (95W) uses the AM3 socket (PCIe 2.0), while the Xeon E5-2420 uses LGA1356 (PCIe 2.0) — making them incompatible on the same motherboard.