Core i5-8305G
VS
Core i7-4940MX

Core i5-8305G vs Core i7-4940MX

Intel

Core i5-8305G

4 Cores8 Thrd65 WWMax: 3.8 GHz2018
VS
Intel

Core i7-4940MX

4 Cores8 Thrd57 WWMax: 4 GHz2014

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 Core i5-8305G is positioned at rank 896 and the Core i7-4940MX is on rank 1184, so the Core i5-8305G 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 Core i5-8305G

#884
Atom x5-Z8300
MSRP: $20|Avg: N/A
1510%
#885
Atom Z3735G
MSRP: $17|Avg: N/A
1488%
#886
Core i5-480M
MSRP: $81|Avg: $77
1366%
#887
Core i5-460M
MSRP: $80|Avg: $129
1360%
#888
Core i5-2540M
MSRP: $266|Avg: $10
1347%
#890
Core i5-450M
MSRP: $32|Avg: $31
1301%
#891
Core i3-380M
MSRP: $49|Avg: $25
1248%
#892
Core i5-430M
MSRP: N/A|Avg: $33
1245%
#893
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1212%
#896
Core i5-8305G
MSRP: $350|Avg: $350
100%
#897
Celeron 6305
MSRP: $107|Avg: $80
100%
#900
Core i7-8705G
MSRP: $400|Avg: $400
98%
#902
Pentium Dual Core T2410
MSRP: $100|Avg: $100
98%
#903
FX-8800P
MSRP: $150|Avg: $45
97%
#905
Core i7-8809G
MSRP: $450|Avg: $450
97%
#911
Core i7-6820HK
MSRP: $378|Avg: N/A
95%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-4940MX

#1172
Atom x5-Z8300
MSRP: $20|Avg: N/A
4740%
#1173
Atom Z3735G
MSRP: $17|Avg: N/A
4670%
#1174
Core i5-480M
MSRP: $81|Avg: $77
4288%
#1175
Core i5-460M
MSRP: $80|Avg: $129
4268%
#1176
Core i5-2540M
MSRP: $266|Avg: $10
4229%
#1178
Core i5-450M
MSRP: $32|Avg: $31
4084%
#1179
Core i3-380M
MSRP: $49|Avg: $25
3916%
#1180
Core i5-430M
MSRP: N/A|Avg: $33
3910%
#1181
Core 2 Duo T6600
MSRP: N/A|Avg: $4
3805%
#1184
Core i7-4940MX
MSRP: N/A|Avg: N/A
100%
#1185
Athlon Neo X2 L325
MSRP: $100|Avg: $5
99%
#1186
Core i3-2370M
MSRP: $225|Avg: N/A
98%
#1187
Core i3-3217UE
MSRP: $225|Avg: $35
98%
#1188
Celeron T3000
MSRP: $150|Avg: $54
97%
#1189
Core m7-6Y75
MSRP: $393|Avg: $393
97%
#1190
Core M-5Y10
MSRP: $281|Avg: $20
95%
#1193
Celeron 900
MSRP: $86|Avg: $5
91%
#1194
Pentium T3400
MSRP: $150|Avg: $90
91%
#1195
Core 2 Solo SU3500
MSRP: $262|Avg: $15
90%
#1196
Core 2 Duo E8335
MSRP: $200|Avg: $50
88%
#1199
Celeron 560
MSRP: $89|Avg: $5
86%
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 Core i5-8305G (2018) utilizes 14 nm technology and DDR4, providing a fundamental performance advantage.
InsightCore i5-8305GCore i7-4940MX
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($350)
More affordable ($0)
Longevity
✨ Modern (Kaby Lake G (2018) / 14 nm)
🛑 Legacy (Haswell (2013−2015) / 22 nm)

💎 Value Proposition

The Core i7-4940MX (2014) relies on 22 nm technology and DDR3, placing it in a different performance category relative to modern standards.
InsightCore i5-8305GCore i7-4940MX
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($350)
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 Core i5-8305G and Core i7-4940MX

Intel

Core i5-8305G

The Core i5-8305G is manufactured by Intel. It was released in 1 February 2018 (7 years ago). It is based on the Kaby Lake G (2018) architecture. It features 4 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA2270. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 6,801 points. Launch price was $149.

Intel

Core i7-4940MX

The Core i7-4940MX is manufactured by Intel. It was released in 20 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 4 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA946. Thermal design power (TDP): 57 Watt. Memory support: DDR3. Passmark benchmark score: 6,783 points. Launch price was $1,096.

Processing Power

Both the Core i5-8305G and Core i7-4940MX share an identical 4-core/8-thread configuration. Boost clocks reach 3.8 GHz on the Core i5-8305G versus 4 GHz on the Core i7-4940MX — a 5.1% clock advantage for the Core i7-4940MX (base: 2.8 GHz vs 3.1 GHz). The Core i5-8305G uses the Kaby Lake G (2018) architecture (14 nm), while the Core i7-4940MX uses Haswell (2013−2015) (22 nm). In PassMark, the Core i5-8305G scores 6,801 against the Core i7-4940MX's 6,783 — a 0.3% lead for the Core i5-8305G. L3 cache: 6 MB (total) on the Core i5-8305G vs 8 MB (total) on the Core i7-4940MX.

FeatureCore i5-8305GCore i7-4940MX
Cores / Threads
4 / 8
4 / 8
Boost Clock
3.8 GHz
4 GHz+5%
Base Clock
2.8 GHz
3.1 GHz+11%
L3 Cache
6 MB (total)
8 MB (total)+33%
L2 Cache
256K (per core)
256K (per core)
Process
14 nm-36%
22 nm
Architecture
Kaby Lake G (2018)
Haswell (2013−2015)
PassMark
6,801
6,783
🧠

Memory & Platform

The Core i5-8305G uses the FCBGA2270 socket (PCIe 3.0), while the Core i7-4940MX uses PGA946 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i5-8305GCore i7-4940MX
Socket
FCBGA2270
PGA946
PCIe Generation
PCIe 3.0
PCIe 3.0