Contabo - Cloud VPS 4 Yab
August 31st 2026
This is the yab (yabs.sh results) for tests that were run on a Contabo server on August 31st 2026.
yabs.sh is an easy to run and powerful script that runs a full set of benchmarks on your server. Get Started with Yabs. You can collect, organize and visualize your yabs for free at VPSBenchmarks.
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Compare Geekbench, Fio and Iperf3 benchmark results from the Yabs comparison page.
Server
| Provider | Contabo |
|---|---|
| VPS Plan | Cloud VPS 4 |
| OS Version | Ubuntu 26.04 LTS |
| Data Center Location | Lauterbourg, Grand Est, France |
Specs
| Processor | AMD EPYC Processor (with IBPB) |
|---|---|
| CPU cores | 4 @ 2496.246 MHz |
| RAM | 7.8 GiB |
| Disk | 101.6 GB |
| Swap | 0.0 B |
| Kernel | 7.0.0-28-generic |
| AES-NI | ✔ Enabled |
| VM-x/AMD-V | ❌ Disabled |
| VM Type |
Raw Yabs.sh Output
{
"version": "v2026-07-24",
"time": "20260831-182536",
"os": {
"arch": "x64",
"distro": "Ubuntu 26.04 LTS",
"kernel": "7.0.0-28-generic",
"uptime": 962277.27,
"vm": "KVM"
},
"net": {
"ipv4": true,
"ipv6": false
},
"cpu": {
"model": "AMD EPYC Processor (with IBPB)",
"cores": 4,
"freq": "2496.246 MHz",
"aes": true,
"virt": false
},
"mem": {
"ram": 8126492,
"ram_units": "KiB",
"swap": 0,
"swap_units": "KiB",
"disk": 101622380,
"disk_units": "KB"
},
"ip_info": {
"protocol": "IPv6",
"isp": "Contabo GmbH",
"asn": "AS51167 Contabo GmbH",
"org": "Contabo GmbH",
"city": "Lauterbourg",
"region": "Grand Est",
"region_code": "GES",
"country": "France"
},
"partition": "/dev/sda1",
"fio": [
{
"bs": "4k",
"speed_r": 52441,
"iops_r": 13110,
"speed_w": 52511,
"iops_w": 13127,
"speed_rw": 104952,
"iops_rw": 26237,
"speed_units": "KBps"
},
{
"bs": "64k",
"speed_r": 447890,
"iops_r": 6998,
"speed_w": 450247,
"iops_w": 7035,
"speed_rw": 898137,
"iops_rw": 14033,
"speed_units": "KBps"
},
{
"bs": "512k",
"speed_r": 638599,
"iops_r": 1247,
"speed_w": 672530,
"iops_w": 1313,
"speed_rw": 1311129,
"iops_rw": 2560,
"speed_units": "KBps"
},
{
"bs": "1m",
"speed_r": 585396,
"iops_r": 571,
"speed_w": 624383,
"iops_w": 609,
"speed_rw": 1209779,
"iops_rw": 1180,
"speed_units": "KBps"
}
],
"iperf": [
{
"mode": "IPv4",
"provider": "Clouvider",
"loc": "London, UK (10G)",
"send": "160 Mbits/sec",
"recv": "178 Mbits/sec",
"latency": "15.2 ms"
},
{
"mode": "IPv4",
"provider": "Eranium",
"loc": "Amsterdam, NL (100G)",
"send": "206 Mbits/sec",
"recv": "198 Mbits/sec",
"latency": "14.6 ms"
},
{
"mode": "IPv4",
"provider": "Uztelecom",
"loc": "Tashkent, UZ (10G)",
"send": "153 Mbits/sec",
"recv": "186 Mbits/sec",
"latency": "109 ms"
},
{
"mode": "IPv4",
"provider": "Leaseweb",
"loc": "Singapore, SG (10G)",
"send": "174 Mbits/sec",
"recv": "164 Mbits/sec",
"latency": "266 ms"
},
{
"mode": "IPv4",
"provider": "Clouvider",
"loc": "Los Angeles, CA, US (10G)",
"send": "167 Mbits/sec",
"recv": "184 Mbits/sec",
"latency": "178 ms"
},
{
"mode": "IPv4",
"provider": "Leaseweb",
"loc": "NYC, NY, US (10G)",
"send": "172 Mbits/sec",
"recv": "190 Mbits/sec",
"latency": "86.5 ms"
},
{
"mode": "IPv4",
"provider": "Edgoo",
"loc": "Sao Paulo, BR (1G)",
"send": "108 Mbits/sec",
"recv": "166 Mbits/sec",
"latency": "215 ms"
}
],
"geekbench": [
{
"version": 6,
"single": null,
"multi": null,
"url": "https://browser.geekbench.com/v6/cpu/19095086"
}
],
"runtime": {
"start": 1788193536,
"end": 1788194302,
"elapsed": 766
}
}
Results Summary
The scale in the charts between 0 and 100 represents the performance of this server for each metric relative to the performance of all other servers tested recently at VPSBenchmarks for that same metric.
- 100 means the server is the fastest for this metric.
- 50 means the server has exactly median performance for this metric.
- 0 means the server is the slowest for this metric.
Geekbench 6
Geekbench measures your processor's single-core and multi-core power.
| Full Test | https://browser.geekbench.com/v6/cpu/19095086 |
|---|---|
| Multi Core | 3393 |
| Single Core | 1172 |
Fio
This Fio test evaluates disk performance in 4 random read and write runs with different block sizes, 50% reads and 50% writes.
All fio tests below run in asynchronous direct mode using libaio and use 2 execution threads regardless of the size of the server.
| 4k | 64k | 512k | 1m | |
|---|---|---|---|---|
| Read | 52.4 MB/s 13.11k IOPS | 447.9 MB/s 6.998k IOPS | 638.6 MB/s 1.247k IOPS | 585.4 MB/s 0.571k IOPS |
| Write | 52.5 MB/s 13.127k IOPS | 450.2 MB/s 7.035k IOPS | 672.5 MB/s 1.313k IOPS | 624.4 MB/s 0.609k IOPS |
| Total | 105.0 MB/s 26.237k IOPS | 898.1 MB/s 14.033k IOPS | 1311.1 MB/s 2.56k IOPS | 1209.8 MB/s 1.18k IOPS |
Iperf3 ipv4
Iperf3 tests download and upload speeds to various locations using 8 parallel threads.
| Download | Upload | |
|---|---|---|
|
Edgoo Sao Paulo, BR (1G) |
166 Mbits/sec | 108 Mbits/sec |
|
Clouvider London, UK (10G) |
178 Mbits/sec | 160 Mbits/sec |
|
Leaseweb NYC, NY, US (10G) |
190 Mbits/sec | 172 Mbits/sec |
|
Eranium Amsterdam, NL (100G) |
198 Mbits/sec | 206 Mbits/sec |
|
Leaseweb Singapore, SG (10G) |
164 Mbits/sec | 174 Mbits/sec |
|
Uztelecom Tashkent, UZ (10G) |
186 Mbits/sec | 153 Mbits/sec |
|
Clouvider Los Angeles, CA, US (10G) |
184 Mbits/sec | 167 Mbits/sec |