Pentium A1020
VS
Phenom X3 8400

Pentium A1020 vs Phenom X3 8400

Intel

Pentium A1020

4 Cores4 Thrd10 WWMax: 2.7 GHz2016
VS
AMD

Phenom X3 8400

3 Cores3 Thrd95 WWMax: 2.1 GHz2008

Performance Spectrum - CPU

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 A1020 is positioned at rank 1009 and the Phenom X3 8400 is on rank 509, so the Phenom X3 8400 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 A1020

#997
Atom x5-Z8300
MSRP: $20|Avg: N/A
2162%
#998
Atom Z3735G
MSRP: $17|Avg: N/A
2130%
#999
Core i5-480M
MSRP: $81|Avg: $77
1956%
#1000
Core i5-460M
MSRP: $80|Avg: $129
1947%
#1001
Core i5-2540M
MSRP: $266|Avg: $10
1929%
#1003
Core i5-450M
MSRP: $32|Avg: $31
1863%
#1004
Core i3-380M
MSRP: $49|Avg: $25
1786%
#1005
Core i5-430M
MSRP: N/A|Avg: $33
1783%
#1006
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1735%
#1009
Pentium A1020
MSRP: $86|Avg: $86
100%
#1010
Core i3-1115GRE
MSRP: $338|Avg: $480
100%
#1011
Core i7-4702MQ
MSRP: $383|Avg: $50
100%
#1012
Pentium N4200
MSRP: $161|Avg: $30.89
99%
#1013
Pentium J2900
MSRP: $94|Avg: $20
98%
#1014
Celeron T1700
MSRP: $80|Avg: $5
97%
#1015
Celeron T3500
MSRP: $80|Avg: $10
97%
#1016
A12-9720P
MSRP: $200|Avg: $25
97%
#1017
Core i5-4300M
MSRP: $227|Avg: N/A
96%
#1018
Celeron 1005M
MSRP: $86|Avg: N/A
96%
#1019
Athlon 64 X2 TK-42
MSRP: $60|Avg: $10
95%
#1020
Athlon Neo MV-40
MSRP: $100|Avg: $5
94%
#1021
Core i7-4860EQ
MSRP: $434|Avg: $80
94%
#1022
Pentium SU2700
MSRP: $100|Avg: $10
93%
#1023
A4-1250
MSRP: $100|Avg: $30
93%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Phenom X3 8400

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
8034%
#2
Core i9-10900T
MSRP: $120|Avg: $5
7591%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
5512%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
1660%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
1315%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
1151%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
659%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
650%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
592%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
592%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
586%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
570%
#13
Core i3-9100E
MSRP: $202|Avg: $30
562%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
560%
#15
Core i3-8300T
MSRP: $138|Avg: $25
554%
#262
Core i7-8700K
MSRP: $359|Avg: $160
97%
#373
Core i7-9700T
MSRP: $323|Avg: $276
99%
#509
Phenom X3 8400
MSRP: N/A|Avg: N/A
100%
#511
Athlon X4 880K
MSRP: $95|Avg: $25
99%
#515
Athlon X4 870K
MSRP: $90|Avg: $35
99%
#518
Pentium G2030T
MSRP: $42|Avg: $5
98%
#519
Athlon X4 730
MSRP: $60|Avg: $52
98%
#520
Core i3-7101E
MSRP: $117|Avg: $50
98%
#522
Athlon II X4 740
MSRP: $71|Avg: $20
97%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Pentium A1020 (2016) utilizes 22 nm technology and DDR3L-1333, providing a fundamental performance advantage.
InsightPentium A1020Phenom X3 8400
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($86)
More affordable ($0)
Longevity
🛑 Legacy (Legacy / 22 nm)
🛑 Legacy (Toliman (2008) / 65 nm)

💎 Value Proposition

The Phenom X3 8400 (2008) relies on 65 nm technology and older memory, placing it in a different performance category relative to modern standards.
InsightPentium A1020Phenom X3 8400
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($86)
More affordable ($0)

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.

Technical Specifications

Side-by-side comparison of Pentium A1020 and Phenom X3 8400

Intel

Pentium A1020

The Pentium A1020 is manufactured by Intel. It was released in 2007-01-01. It features 4 cores and 4 threads. Base frequency is 2.41 GHz, with boost up to 2.7 GHz. L3 cache: 2 MB L2 Cache. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 10 Watt. Memory support: DDR3L-1333. Passmark benchmark score: 1,167 points. Launch price was $69.

AMD

Phenom X3 8400

The Phenom X3 8400 is manufactured by AMD. It was released in 2009-01-01. It is based on the Toliman (2008) architecture. It features 3 cores and 3 threads. Max frequency: 2.1 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,164 points. Launch price was $149.

Processing Power

The Pentium A1020 packs 4 cores / 4 threads, while the Phenom X3 8400 offers 3 cores / 3 threads — the Pentium A1020 has 1 more core. Boost clocks reach 2.7 GHz on the Pentium A1020 versus 2.1 GHz on the Phenom X3 8400 — a 25% clock advantage for the Pentium A1020. The Phenom X3 8400 is built on the Toliman (2008) architecture. In PassMark, the Pentium A1020 scores 1,167 against the Phenom X3 8400's 1,164 — a 0.3% lead for the Pentium A1020. L3 cache: 2 MB L2 Cache on the Pentium A1020 vs 2 MB (total) on the Phenom X3 8400.

FeaturePentium A1020Phenom X3 8400
Cores / Threads
4 / 4+33%
3 / 3
Boost Clock
2.7 GHz+29%
2.1 GHz
Base Clock
2.41 GHz
L3 Cache
2 MB L2 Cache
2 MB (total)
L2 Cache
512 kB (per core)
Process
22 nm-66%
65 nm
Architecture
Toliman (2008)
PassMark
1,167
1,164
🧠

Memory & Platform

The Pentium A1020 uses the FCBGA1170 socket (PCIe 3.0), while the Phenom X3 8400 uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.

FeaturePentium A1020Phenom X3 8400
Socket
FCBGA1170
AM2+
PCIe Generation
PCIe 3.0+50%
PCIe 2.0