Core 2 Duo E8135 vs Pentium 957

CPU

GPU

Core 2 Duo E8135

2 Cores2 Thrd44 WWMax: 0.67 GHz2009

Pentium 957

2 Cores2 Thrd17 WWMax: 1.2 GHz2011

Performance Spectrum - CPU

Core 2 Duo E8135

2 / 2

1,020

+0.5%

1,015

0.0%

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 2 Duo E8135 is positioned at rank 1203 and the Pentium 957 is on rank 1146, so the Pentium 957 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 2 Duo E8135

#1191

Atom x5-Z8300

MSRP: $20|Avg: N/A

5753%

#1192

Atom Z3735G

MSRP: $17|Avg: N/A

5669%

#1193

Core i5-480M

MSRP: $81|Avg: $77

5204%

#1194

Core i5-460M

MSRP: $80|Avg: $129

5180%

#1195

Core i5-2540M

MSRP: $266|Avg: $10

5133%

#1197

Core i5-450M

MSRP: $32|Avg: $31

4957%

#1198

Core i3-380M

MSRP: $49|Avg: $25

4753%

#1199

Core i5-430M

MSRP: N/A|Avg: $33

4745%

#1200

Core 2 Duo T6600

MSRP: N/A|Avg: $4

4618%

#1203

Core 2 Duo E8135

MSRP: $200|Avg: $15

100%

#1204

Core 2 Duo U7700

MSRP: $262|Avg: $10

100%

#1205

Core Duo T2400

MSRP: $294|Avg: N/A

99%

#1206

Core 2 Duo U7600

MSRP: $250|Avg: $5

99%

#1207

Pentium M 735

MSRP: $294|Avg: N/A

97%

#1208

Core i7-620LM

MSRP: $300|Avg: N/A

96%

#1209

Core i7-740QM

MSRP: $378|Avg: N/A

95%

#1211

Core 2 Solo SU3300

MSRP: $262|Avg: $50

93%

#1212

Celeron 540

MSRP: $86|Avg: $5

93%

#1213

Celeron U3600

MSRP: $134|Avg: $134

91%

#1216

Core 2 Quad Q9000

MSRP: $348|Avg: $15

90%

#1217

Core i5-2537M

MSRP: $250|Avg: N/A

90%

#1218

Core i7-720QM

MSRP: $364|Avg: N/A

89%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium 957

#1134

Atom x5-Z8300

MSRP: $20|Avg: N/A

3876%

#1135

Atom Z3735G

MSRP: $17|Avg: N/A

3819%

#1136

Core i5-480M

MSRP: $81|Avg: $77

3506%

#1137

Core i5-460M

MSRP: $80|Avg: $129

3490%

#1138

Core i5-2540M

MSRP: $266|Avg: $10

3458%

#1140

Core i5-450M

MSRP: $32|Avg: $31

3339%

#1141

Core i3-380M

MSRP: $49|Avg: $25

3202%

#1142

Core i5-430M

MSRP: N/A|Avg: $33

3197%

#1143

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3111%

#1146

Pentium 957

MSRP: $134|Avg: $10

100%

#1147

Core 2 Duo SL9400

MSRP: $284|Avg: N/A

100%

#1149

Pentium N3540

MSRP: $161|Avg: $161

99%

#1150

Core i7-3555LE

MSRP: $300|Avg: $280

99%

#1151

Core i3-2377M

MSRP: $250|Avg: N/A

98%

#1152

Core 2 Duo E8435

MSRP: $150|Avg: $74

97%

#1153

Celeron M 723

MSRP: $161|Avg: $161

97%

#1154

Core i7-3517UE

MSRP: $330|Avg: $35

95%

#1155

Core M-5Y51

MSRP: $281|Avg: $281

95%

#1156

Pentium N3530

MSRP: $161|Avg: $20

95%

#1157

Core i3-330E

MSRP: $177|Avg: $89

94%

#1159

Core i7-2640M

MSRP: $346|Avg: N/A

93%

#1160

Core M-5Y71

MSRP: $281|Avg: $281

93%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Pentium 957 leads in gaming performance. However, the Core 2 Duo E8135 is the stronger candidate for professional workloads, offering 0.5% greater multi-core processing power.

Insight	Core 2 Duo E8135	Pentium 957
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($15)	✅ More affordable ($10)
Longevity	🛑 Legacy (Penryn (2008−2011) / 45 nm)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

Efficiency: Even within a comparison of older hardware, the Pentium 957 stands out as the superior choice. It is effectively 33% cheaper ($10 vs $15) while identifying as the stronger performer.

Insight	Core 2 Duo E8135	Pentium 957
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+49%)
Upfront Cost	⚠️ Higher cost ($15)	✅ More affordable ($10)

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.

Core 2 Duo E8135 Benchmark Check

Pentium 957 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo E8135 and Pentium 957

Core 2 Duo E8135

The Core 2 Duo E8135 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.667 GHz, with boost up to 0.67 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,020 points. Launch price was $249.

Pentium 957

The Pentium 957 is manufactured by Intel. It was released in 19 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,015 points. Launch price was $134.

⚡

Processing Power

Both the Core 2 Duo E8135 and Pentium 957 share an identical 2-core/2-thread configuration. Boost clocks reach 0.67 GHz on the Core 2 Duo E8135 versus 1.2 GHz on the Pentium 957 — a 56.7% clock advantage for the Pentium 957 (base: 2.667 GHz vs 1.2 GHz). The Core 2 Duo E8135 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium 957 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Duo E8135 scores 1,020 against the Pentium 957's 1,015 — a 0.5% lead for the Core 2 Duo E8135.

Feature	Core 2 Duo E8135	Pentium 957
Cores / Threads	2 / 2	2 / 2
Boost Clock	0.67 GHz	1.2 GHz+79%
Base Clock	2.667 GHz+122%	1.2 GHz
L3 Cache	—	2 MB (total)
L2 Cache	6 MB (total)+2300%	256K (per core)
Process	45 nm	32 nm-29%
Architecture	Penryn (2008−2011)	Sandy Bridge (2011−2013)
PassMark	1,020	1,015

🧠

Memory & Platform

The Core 2 Duo E8135 uses the P socket (PCIe 1.1), while the Pentium 957 uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo E8135	Pentium 957
Socket	P	BGA1023
PCIe Generation	PCIe 1.1	PCIe 2.0+82%

💰

Value Analysis

The Core 2 Duo E8135 launched at $200 MSRP, while the Pentium 957 debuted at $134. At current prices ($15 vs $10), the Pentium 957 is $5 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo E8135 delivers 68.0 pts/$ vs 101.5 pts/$ for the Pentium 957 — making the Pentium 957 the 39.5% better value option.