FX-8100
VS
Core i5-2500

FX-8100 vs Core i5-2500

AMD

FX-8100

8 Cores8 Thrd95 WWMax: 3.7 GHz2011
VS
Intel

Core i5-2500

4 Cores4 Thrd95 WWMax: 3.7 GHz2011

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 FX-8100 is positioned at rank 928 and the Core i5-2500 is on rank 922, so the Core i5-2500 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 FX-8100

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
22836%
#2
Core i9-10900T
MSRP: $120|Avg: $5
21578%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
15667%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
4720%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
3739%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
3271%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
1873%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
1849%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
1683%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
1683%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
1664%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
1619%
#13
Core i3-9100E
MSRP: $202|Avg: $30
1597%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
1590%
#15
Core i3-8300T
MSRP: $138|Avg: $25
1576%
#302
Core i7-6900K
MSRP: $1089|Avg: $1089
99%
#303
Core i7-5960X
MSRP: $999|Avg: $83
98%
#928
FX-8100
MSRP: $300|Avg: $50
100%
#930
Celeron E1400
MSRP: $53|Avg: $63
99%
#932
Pentium E6800
MSRP: $86|Avg: $10
98%
#933
Core i3-530
MSRP: $113|Avg: $15
98%
#935
Athlon II X3 405e
MSRP: $100|Avg: $10
98%
#936
Core i3-2105
MSRP: $138|Avg: $30
98%
#937
Core i3-3225
MSRP: $172|Avg: $167
97%
#938
Athlon II X3 400e
MSRP: $100|Avg: $10
97%
#939
Athlon II X2 245e
MSRP: $87|Avg: $15
96%
#940
Core i3-3220T
MSRP: $149|Avg: $146
96%
#941
Athlon II X2 240e
MSRP: $77|Avg: $77
96%
#942
Pentium G630T
MSRP: $79|Avg: $15
96%
#943
Core i7-3970X Extreme Edition
MSRP: $990|Avg: $175
95%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i5-2500

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
22345%
#2
Core i9-10900T
MSRP: $120|Avg: $5
21114%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
15330%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
4618%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
3658%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
3200%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
1833%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
1809%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
1647%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
1647%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
1629%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
1585%
#13
Core i3-9100E
MSRP: $202|Avg: $30
1563%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
1556%
#15
Core i3-8300T
MSRP: $138|Avg: $25
1542%
#302
Core i7-6900K
MSRP: $1089|Avg: $1089
97%
#303
Core i7-5960X
MSRP: $999|Avg: $83
96%
#922
Core i5-2500
MSRP: $294|Avg: $69
100%
#923
Athlon II X4 605e
MSRP: $143|Avg: $25
98%
#925
Athlon II X4 610e
MSRP: $143|Avg: $20
98%
#926
Core i5-2390T
MSRP: $182|Avg: $182
98%
#927
Phenom II X4 910e
MSRP: $157|Avg: $69
98%
#928
FX-8100
MSRP: $300|Avg: $50
98%
#930
Celeron E1400
MSRP: $53|Avg: $63
97%
#932
Pentium E6800
MSRP: $86|Avg: $10
96%
#933
Core i3-530
MSRP: $113|Avg: $15
96%
#935
Core i3-2105
MSRP: $138|Avg: $30
95%
#936
Athlon II X3 405e
MSRP: $100|Avg: $10
95%
#937
Core i3-3225
MSRP: $172|Avg: $167
95%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i5-2500 delivers superior performance across the board. It outperforms the FX-8100 in both compute-intensive tasks (0.2% faster) and gaming workloads.
InsightFX-8100Core i5-2500
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
More affordable ($50)
⚠️ Higher cost ($69)
Longevity
🛑 Legacy (Zambezi (2011−2012) / 32 nm)
🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

Value Proposition: While both processors are considered legacy components by modern standards, the FX-8100 holds the technical lead in efficiency. Priced at $50 (vs $69), it costs 28% less. While offering basic entry-level performance, it results in a 38% higher cost efficiency score compared to the Core i5-2500.
InsightFX-8100Core i5-2500
Cost Efficiency
Better overall value (+38%)
Lower cost efficiency
Upfront Cost
More affordable ($50)
⚠️ Higher cost ($69)

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 FX-8100 and Core i5-2500

AMD

FX-8100

The FX-8100 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 8 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 8 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,095 points. Launch price was $69.

Intel

Core i5-2500

The Core i5-2500 is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 6144 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,102 points. Launch price was $85.

Processing Power

The FX-8100 packs 8 cores / 8 threads, while the Core i5-2500 offers 4 cores / 4 threads — the FX-8100 has 4 more cores. Boost clocks reach 3.7 GHz on the FX-8100 versus 3.7 GHz on the Core i5-2500 — identical boost frequencies (base: 2.8 GHz vs 3.3 GHz). The FX-8100 uses the Zambezi (2011−2012) architecture (32 nm), while the Core i5-2500 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the FX-8100 scores 4,095 against the Core i5-2500's 4,102 — a 0.2% lead for the Core i5-2500. Geekbench 6 single-core — the metric most relevant to gaming — records 455 vs 590, a 25.8% lead for the Core i5-2500 that directly translates to higher frame rates. Multi-core Geekbench: 1,621 vs 1,690 (4.2% advantage for the Core i5-2500). L3 cache: 8 MB (total) on the FX-8100 vs 6144 kB (total) on the Core i5-2500.

FeatureFX-8100Core i5-2500
Cores / Threads
8 / 8+100%
4 / 4
Boost Clock
3.7 GHz
3.7 GHz
Base Clock
2.8 GHz
3.3 GHz+18%
L3 Cache
8 MB (total)+33%
6144 kB (total)
L2 Cache
8 MB+3100%
256 kB (per core)
Process
32 nm
32 nm
Architecture
Zambezi (2011−2012)
Sandy Bridge (2011−2013)
PassMark
4,095
4,102
Cinebench R23 Multi
2,642
Geekbench 6 Single
455
590+30%
Geekbench 6 Multi
1,621
1,690+4%
🧠

Memory & Platform

The FX-8100 uses the AM3+ socket (PCIe 2.0), while the Core i5-2500 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1866 memory speed. The Core i5-2500 supports up to 32 GB of RAM compared to 16 GB 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (FX-8100) vs 16 (Core i5-2500) — the Core i5-2500 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 990FX,AMD 970 (FX-8100) and H61,H67,P67,Z68,B75,Z77 (Core i5-2500).

FeatureFX-8100Core i5-2500
Socket
AM3+
LGA1155
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR3-1866
DDR3-1333
Max RAM Capacity
16 GB
32 GB+100%
RAM Channels
2
2
ECC Support
PCIe Lanes
0
16
🔧

Advanced Features

Only the FX-8100 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (FX-8100) vs VT-x, VT-d, EPT (Core i5-2500). The Core i5-2500 includes integrated graphics (Intel HD Graphics 2000), while the FX-8100 requires a dedicated GPU. Primary use case: Core i5-2500 targets Desktop.

FeatureFX-8100Core i5-2500
Integrated GPU
No
Yes
IGPU Model
Intel HD Graphics 2000
Unlocked
Yes
No
AVX-512
No
No
Virtualization
AMD-V
VT-x, VT-d, EPT
Target Use
Desktop
💰

Value Analysis

The FX-8100 launched at $300 MSRP, while the Core i5-2500 debuted at $294. At current prices ($50 vs $69), the FX-8100 is $19 cheaper. In terms of value (PassMark points per dollar), the FX-8100 delivers 81.9 pts/$ vs 59.4 pts/$ for the Core i5-2500 — making the FX-8100 the 31.8% better value option.

FeatureFX-8100Core i5-2500
MSRP
$300
$294-2%
Avg Price (30d)
$50-28%
$69
Performance per Dollar
81.9+38%
59.4
Release Date
2011
2011