TEST
YOUR CPU
ADD TO PC
BUILD

AMD

Athlon II X4 638 Quad-Core

▲ 500 ▼

Release date ≈ Q3 2015.

Average Bench: 48% (850th of 1442)

Based on 67 user benchmarks.  Device: 178BFBFF00300F10 Model: AMD Athlon(tm) II X4 638 Quad-Core Processor
Poor: 38%Average: 48% Great: 53%
Gaming
Gaming 48%
Yacht
Desktop
Desktop 50%
Yacht
Workstation
Workstation 34%
Sail boat

Popular builds with this CPU

Below average average bench

The AMD Athlon II X4 638 Quad-Core averaged 51.9% 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 69.5Pts
Avg. Quad Core Speed 156Pts

Very good consistency

The range of scores (95th - 5th percentile) for the AMD Athlon II X4 638 Quad-Core is just 15%. This is a relatively narrow range which indicates that the AMD Athlon II X4 638 Quad-Core performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Speed 160Pts
Avg. Octa Core Speed 158Pts
ADVERTISEMENT

Average Bench

(Based on 67 samples)
Rank 85048%
Min Avg Max
49.3 Memory 69.5 79.2
33.6 1-Core 41.4 43.8
70.4 2-Core 82.9 87.6
42% 64.6 Pts
Min Avg Max
110 4-Core 156 173
123 8-Core 158 176
21% 157 Pts
Min Avg Max
129 64-Core 160 176
9.9% 160 Pts
User Benchmarks BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.7 GHz (avg)
48.9% Average
Memory 75.4
1-Core 41.9
2-Core 84.5
44% 67.3 Pts
4-Core 132
8-Core 140
18% 136 Pts
64-Core 141
9% 141 Pts
P0, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.7 GHz (avg)
47.9% Average
Memory 74.4
1-Core 40.3
2-Core 80.2
43% 65 Pts
4-Core 125
8-Core 133
17% 129 Pts
64-Core 134
8% 134 Pts
P0, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.65 GHz (avg)
45.4% Average
Memory 69.2
1-Core 40.2
2-Core 83.3
42% 64.2 Pts
4-Core 126
8-Core 137
17% 131 Pts
64-Core 136
8% 136 Pts
Socket M2, 1 CPU, 4 cores, 4 threads
Base clock 2.6 GHz, turbo 2.55 GHz (avg)
39.3% Below average
Memory 61.2
1-Core 32.2
2-Core 62.3
35% 51.9 Pts
4-Core 101
8-Core 116
14% 108 Pts
64-Core 119
7% 119 Pts
Socket M2, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.7 GHz (avg)
39% Below average
Memory 56
1-Core 41.1
2-Core 80.8
37% 59.3 Pts
4-Core 128
8-Core 138
18% 133 Pts
64-Core 137
8% 137 Pts
P0, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.7 GHz (avg)
37% Below average
Memory 51.3
1-Core 42.1
2-Core 84.2
36% 59.2 Pts
4-Core 131
8-Core 140
18% 135 Pts
64-Core 136
8% 136 Pts
P0, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.65 GHz (avg)
36.6% Below average
Memory 54.3
1-Core 40
2-Core 77.8
36% 57.4 Pts
4-Core 109
8-Core 122
15% 116 Pts
64-Core 126
8% 126 Pts
P0, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.7 GHz (avg)
36.4% Below average
Memory 50.4
1-Core 41.8
2-Core 83.5
36% 58.6 Pts
4-Core 130
8-Core 140
18% 135 Pts
64-Core 140
9% 140 Pts
67 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,752,707 CPUs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Athlon II X4 638 Quad-Core Builds (Compare 63 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 7%
Tree trunk
Desktop
Desktop 46%
Yacht
Workstation
Workstation 7%
Tree trunk

Motherboard: Asrock A55M-HVS

CPU
Athlon II X4 638 Quad-CoreAMDBench 48%, 67 samples1x
GPU
Radeon HD 6530DAMDBench 3%, 4,675 samples16x
Radeon HD 6410DAMDBench 2%, 3,128 samples9x
Radeon HD 6550DAMDBench 4%, 4,197 samples6x
SSD
MX500 250GBCrucial  $40Bench 101%, 77,177 samples4x
A400 240GBKingston  $28Bench 66%, 424,288 samples3x
A400 120GBKingston  $30Bench 61%, 166,392 samples3x
RAM
HMT351U6CFR8C-PB 2x4GBHynixBench 53%, 17,809 samples5x
99U5471-020.A00LF 1x4GBKingstonBench 26%, 3,387 samples2x
Savage DDR3 1600 C9 2x4GBHyperXBench 51%, 78,181 samples2x
EDIT WITH CUSTOM PC BUILDER Value: 26% - Poor Total price: $40

Popular Athlon II X4 638 Quad-Core compatible motherboards:

How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
Processor Rankings (Price vs Performance) April 2024 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]

ADVERTISEMENT

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.

 Comments

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 8 years

Speed Comparisons

vs Intel Core i5-13600K
vs Intel Core i5-12600K
vs Intel Core i5-12400F
vs Intel Core i3-12100F
vs Intel Core i7-13700K
vs Intel Core i9-13900K
vs AMD Ryzen 5 3600
vs AMD Ryzen 5 5600X
vs Intel Core i7-11700K

1442 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

Processors FAQ
AMD vs Intel: Gaming performance 2012-2021
How does IPC compare between AMD's Ryzen and Intel's Kaby Lake?
What is multi core mixed speed?
What is multi core integer speed?
What is multi core floating point speed?
What is single core mixed CPU speed?
What is quad core mixed CPU speed?
What is quad core floating point speed?
What is quad core integer speed?
What is single core floating point speed?
What is single core integer speed?
What is the GeekBench single core score?
What is a CPU?
What is the effective CPU speed index?
What is overclocking?
What is thermal design power (TDP)?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback