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Intel

Pentium G645

▲ 5171 ▼

2 Cores, 2 Threads @2.9 GHz, Sandy Bridge.
Release date ≤ Q1 2014.

Average Bench: 51.4% (753rd of 1357)

Based on 5,490 user benchmarks.  Device: BFEBFBFF000206A7 Models: Intel(R) Pentium(R) CPU G645 @ 2.90GHz, Intel(R) Pentium(R) CPU G645 @ 2.90GHz
Poor: 41%Average: 51.4% Great: 58%
Gaming
Gaming 51%
Yacht
Desktop
Desktop 61%
Destroyer
Workstation
Workstation 35%
Jet ski

Popular builds with this CPU

Average average bench

The Intel Pentium G645 averaged 48.6% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Memory Latency 79.7Pts
Avg. Single Core Mixed Speed 70.6Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Pentium G645 is just 17.1%. This is a relatively narrow range which indicates that the Intel Pentium G645 performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Mixed Speed 138Pts
Avg. Octa Core Mixed Speed 138Pts
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Average Bench

(Based on 5,490 samples)
Rank 75351.4%
Min Avg Max
62.9 Memory 79.7 90.6
45.7 1-Core 70.6 78.4
77.3 2-Core 134 156
58.9% 94.7 Pts
Min Avg Max
87.3 4-Core 137 155
97.4 8-Core 138 155
18.8% 138 Pts
Min Avg Max
88.6 64-Core 138 155
9.2% 138 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
Intel(R) Pentium(R) CPU G645 @ 2.90GHz, 1 CPU, 2 cores, 2 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
57.3% Above average
Memory 88.2
1-Core 78.3
2-Core 149
65% 105 Pts
4-Core 157
8-Core 155
21% 156 Pts
64-Core 156
10% 156 Pts
SOCKET 0, 1 CPU, 2 cores, 2 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
56.6% Above average
Memory 94.7
1-Core 59
2-Core 119
59% 91 Pts
4-Core 110
8-Core 122
16% 116 Pts
64-Core 86.3
6% 86.3 Pts
Intel(R) Pentium(R) CPU G645 @ 2.90GHz, 1 CPU, 2 cores, 2 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
51.3% Above average
Memory 76.3
1-Core 77.8
2-Core 143
60% 98.9 Pts
4-Core 155
8-Core 155
21% 155 Pts
64-Core 155
10% 155 Pts
CPU 1, 1 CPU, 2 cores, 2 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
49.1% Average
Memory 72.7
1-Core 66.3
2-Core 128
55% 89.1 Pts
4-Core 150
8-Core 153
21% 151 Pts
64-Core 140
9% 140 Pts
SOCKET 0, 1 CPU, 2 cores, 2 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
48.5% Average
Memory 84.2
1-Core 69.9
2-Core 124
59% 92.6 Pts
4-Core 73.5
8-Core 103
12% 88.2 Pts
64-Core 144
10% 144 Pts
Intel(R) Pentium(R) CPU G645 @ 2.90GHz, 1 CPU, 2 cores, 2 threads
Base clock 2.9 GHz, turbo 1.85 GHz (avg)
47.8% Average
Memory 81.4
1-Core 72
2-Core 97.8
56% 83.7 Pts
4-Core 85.4
8-Core 88.5
12% 86.9 Pts
64-Core 71.4
5% 71.4 Pts
CPUSocket, 1 CPU, 2 cores, 2 threads
Base clock 2.9 GHz
47.4% Average
Memory 76.8
1-Core 72.1
2-Core 122
57% 90.3 Pts
4-Core 102
8-Core 131
15% 117 Pts
64-Core 125
8% 125 Pts
Intel(R) Pentium(R) CPU G645 @ 2.90GHz, 1 CPU, 2 cores, 2 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
37.9% Below average
Memory 59.7
1-Core 69.9
2-Core 121
50% 83.5 Pts
4-Core 89.6
8-Core 144
15% 117 Pts
64-Core 120
8% 120 Pts
5,490 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,612,350 CPUs tested.

 Prices

AmazonUS $932 months
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Typical Pentium G645 Builds (Compare 1,693 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 52%
Yacht
Workstation
Workstation 2%
Tree trunk

System: Dell Inspiron 660s

CPU
Pentium G645Intel  $93Bench 51%, 5,490 samples1x
GPU
HD 2500 (Desktop 1.05 GHz)IntelBench 1%, 150,018 samples618x
HD 2000 (Desktop 1.1 GHz)IntelBench 1%, 149,278 samples314x
GT 1030NvidiaBench 14%, 172,902 samples111x
SSD
A400 240GBKingston  $29Bench 68%, 368,669 samples33x
SU635 240GBAdata  $25Bench 67%, 11,856 samples21x
128GB 128GBSSDBench 66%, 5,080 samples21x
RAM
HMT351U6CFR8C-PB 1x4GBHynixBench 29%, 6,990 samples78x
HMT351U6CFR8C-PB 2x4GBHynixBench 53%, 17,088 samples47x
HMT451U6AFR8C-PB 1x4GBHynixBench 29%, 4,726 samples39x
EDIT WITH CUSTOM PC BUILDER Value: 58% - Above average Total price: $122

Popular Pentium G645 systems:

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  • - CPU tests include: integer, floating and string.
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  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
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  • - Reports are generated and presented on userbenchmark.com.
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Processor Rankings (Price vs Performance) July 2022 CPU Rankings.

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Specifications

Essentials

DescriptionIntel® Pentium® Processor G645 (3M Cache, 2.90 GHz)
Code NameSandy Bridge
Launch DateQ3'12
Processor NumberG645
# of Cores2
# of Threads2
Cache3 MB SmartCache
Instruction Set64-bit
Instruction Set ExtensionsSSE4.1/4.2
Embedded Options AvailableNo
Lithography32 nm
Recommended Price$64.00
Clock Speed2.9 GHz
Bus Speed5 GT/s DMI
Max TDP65 W
Expected DiscontinuanceQ3'2013

Graphics

Processor GraphicsIntel® HD Graphics
Graphics Base Frequency850 MHz
Wireless DisplayNo
# of Displays Supported2
Graphics Max Dynamic Frequency1.1 GHz
Quick Sync VideoNo
InTru 3D TechNo
Clear Video HD TechNo
Intel InsiderNo
Flexible Display InterfaceYes

Memory

Max Memory Size32 GB
Memory TypesDDR3 1066
Memory Channels2
Memory Bandwidth17 GB/s

Expansion Options

PCI Express Revision2.0

Data Protection

AES New InstructionsNo

Advanced Technologies

Virtualization Tech (VT-x)Yes
Intel 64Yes
Idle StatesYes
Enhanced Intel SpeedStep® TechYes
Thermal Monitoring TechnologiesYes
Turbo Boost TechNo
Hyper-Threading TechNo
Virtualization for Directed I/O (VT-d)No
VT-x with Extended Page Tables (EPT)Yes
vPro TechNo
Fast Memory AccessYes
Flex Memory AccessYes

Package

Package Size37.5mm x 37.5mm
Max CPU Configuration1
Sockets SupportedFCLGA1155

Platform Protection

Execute Disable BitYes
Trusted Execution TechNo

 Comments

Added n/a ago.
USA-User
Avatar level
8,768

Good (edit your comment) Add link

1 month ago.

its amazing and can still play games at a reasonable fps

CAN-User
Avatar level
4,488

Excellent

23 months ago.

Great ultra-budget CPU that is a great replacement for the Core 2 Duo in 2020.

MDV-User
Avatar level
230

Good

23 months ago.

One of the highest performance/$ ever!

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opinion?
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1357 Processors (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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