Atom x5-Z8500 vs Pentium G620

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 Atom x5-Z8500 is positioned at rank 450 and the Pentium G620 is on rank 807, so the Atom x5-Z8500 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 Atom x5-Z8500

#438

Atom x5-Z8300

MSRP: $20|Avg: N/A

591%

#439

Atom Z3735G

MSRP: $17|Avg: N/A

582%

#440

Core i5-480M

MSRP: $81|Avg: $77

534%

#441

Core i5-460M

MSRP: $80|Avg: $129

532%

#442

Core i5-2540M

MSRP: $266|Avg: $10

527%

#444

Core i5-450M

MSRP: $32|Avg: $31

509%

#445

Core i3-380M

MSRP: $49|Avg: $25

488%

#446

Core i5-430M

MSRP: N/A|Avg: $33

487%

#447

Core 2 Duo T6600

MSRP: N/A|Avg: $4

474%

#450

Atom x5-Z8500

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium G620

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

16118%

#2

Core i9-10900T

MSRP: $120|Avg: $5

15230%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

11058%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

3331%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

2639%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

2308%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1322%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

1305%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1188%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1188%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

1175%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

1143%

#13

Core i3-9100E

MSRP: $202|Avg: $30

1127%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

1122%

#15

Core i3-8300T

MSRP: $138|Avg: $25

1112%

#807

Pentium G620

MSRP: $64|Avg: $12

100%

#808

Pentium G645T

MSRP: $64|Avg: $15

100%

#809

Core i5-7442EQ

MSRP: $250|Avg: $50

100%

#812

Core i3-3250T

MSRP: $138|Avg: $15

99%

#813

Core i5-5575R

MSRP: $265|Avg: $50

99%

#815

Core i3-3210

MSRP: $117|Avg: $25

99%

#816

Celeron G3900E

MSRP: $107|Avg: $35

98%

#817

Athlon II X3 435

MSRP: $87|Avg: $15

98%

#818

Core i7-6822EQ

MSRP: $294|Avg: $190

98%

#819

Athlon II X4 645

MSRP: $126|Avg: $20

97%

#820

Core i5-7400

MSRP: $294|Avg: $70

96%

#821

Pentium E5800

MSRP: $64|Avg: $15

96%

#822

Core i7-6820EQ

MSRP: $378|Avg: $344

96%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Pentium G620 leads in gaming performance. However, the Atom x5-Z8500 is the stronger candidate for professional workloads, offering 0.3% greater multi-core processing power.

Insight	Atom x5-Z8500	Pentium G620
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($0)	⚠️ Higher cost ($12)
Longevity	🛑 Legacy (Cherry Trail (2015−2016) / 14 nm)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

Insight	Atom x5-Z8500	Pentium G620
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($12)

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.

Atom x5-Z8500 Benchmark Check

Pentium G620 Benchmark Check

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Technical Specifications

Side-by-side comparison of Atom x5-Z8500 and Pentium G620

Atom x5-Z8500

The Atom x5-Z8500 is manufactured by Intel. It was released in 2 March 2015 (10 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 2.24 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,242 points. Launch price was $69.

Pentium G620

The Pentium G620 is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,238 points. Launch price was $60.

⚡

Processing Power

The Atom x5-Z8500 packs 4 cores / 4 threads, while the Pentium G620 offers 2 cores / 2 threads — the Atom x5-Z8500 has 2 more cores. Boost clocks reach 2.24 GHz on the Atom x5-Z8500 versus 2.6 GHz on the Pentium G620 — a 14.9% clock advantage for the Pentium G620 (base: 1.44 GHz vs 2.6 GHz). The Atom x5-Z8500 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Pentium G620 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Atom x5-Z8500 scores 1,242 against the Pentium G620's 1,238 — a 0.3% lead for the Atom x5-Z8500. L3 cache: 0 kB on the Atom x5-Z8500 vs 3 MB (total) on the Pentium G620.

Feature	Atom x5-Z8500	Pentium G620
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2.24 GHz	2.6 GHz+16%
Base Clock	1.44 GHz	2.6 GHz+81%
L3 Cache	0 kB	3 MB (total)
L2 Cache	2 MB+700%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Cherry Trail (2015−2016)	Sandy Bridge (2011−2013)
PassMark	1,242	1,238

🧠

Memory & Platform

The Atom x5-Z8500 uses the UTFCBGA1380 socket (PCIe 3.0), while the Pentium G620 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Atom x5-Z8500	Pentium G620
Socket	UTFCBGA1380	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	LPDDR3-1600	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	❌	—
PCIe Lanes	2	—