This is the yab (yabs.sh results) for tests that were run on a Contabo server on October 31st 2025.
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Compare Geekbench, Fio and Iperf3 benchmark results from the Yabs comparison page.
| Provider | Contabo |
|---|---|
| VPS Plan | Cloud VPS SP 20 |
| OS Version | Debian GNU/Linux 12 (bookworm) |
| Data Center Location | Singapore |
| Processor | AMD EPYC Processor (with IBPB) |
|---|---|
| CPU cores | 6 @ 2794.750 MHz |
| RAM | 17.6 GiB |
| Disk | 154.7 GB |
| Swap | 0.0 B |
| Kernel | 6.1.0-34-cloud-amd64 |
| AES-NI | ✔ Enabled |
| VM-x/AMD-V | ❌ Disabled |
| VM Type |
{
"version": "v2025-04-20",
"time": "20251031-135838",
"os": {
"arch": "x64",
"distro": "Debian GNU/Linux 12 (bookworm)",
"kernel": "6.1.0-34-cloud-amd64",
"uptime": 189616.05,
"vm": "KVM"
},
"net": {
"ipv4": true,
"ipv6": true
},
"cpu": {
"model": "AMD EPYC Processor (with IBPB)",
"cores": 6,
"freq": "2794.750 MHz",
"aes": true,
"virt": false
},
"mem": {
"ram": 18428736,
"ram_units": "KiB",
"swap": 0,
"swap_units": "KiB",
"disk": 154729166,
"disk_units": "KB"
},
"ip_info": {
"protocol": "IPv6",
"isp": "Contabo Asia Private Limited",
"asn": "AS141995 Contabo Asia Private Limited",
"org": "Contabo Asia Private Limited",
"city": "Singapore",
"region": "Central Singapore",
"region_code": "01",
"country": "Singapore"
},
"partition": "/dev/sda1",
"fio": [
{
"bs": "4k",
"speed_r": 60060,
"iops_r": 15015,
"speed_w": 60184,
"iops_w": 15046,
"speed_rw": 120244,
"iops_rw": 30061,
"speed_units": "KBps"
},
{
"bs": "64k",
"speed_r": 909807,
"iops_r": 14215,
"speed_w": 914595,
"iops_w": 14290,
"speed_rw": 1824402,
"iops_rw": 28505,
"speed_units": "KBps"
},
{
"bs": "512k",
"speed_r": 1956781,
"iops_r": 3821,
"speed_w": 2060750,
"iops_w": 4024,
"speed_rw": 4017531,
"iops_rw": 7845,
"speed_units": "KBps"
},
{
"bs": "1m",
"speed_r": 3683426,
"iops_r": 3597,
"speed_w": 3928740,
"iops_w": 3836,
"speed_rw": 7612166,
"iops_rw": 7433,
"speed_units": "KBps"
}
],
"iperf": [
{
"mode": "IPv4",
"provider": "Clouvider",
"loc": "London, UK (10G)",
"send": "216 Mbits/sec",
"recv": "busy ",
"latency": "154 ms"
},
{
"mode": "IPv4",
"provider": "Eranium",
"loc": "Amsterdam, NL (100G)",
"send": "243 Mbits/sec",
"recv": "256 Mbits/sec",
"latency": "165 ms"
},
{
"mode": "IPv4",
"provider": "Uztelecom",
"loc": "Tashkent, UZ (10G)",
"send": "busy ",
"recv": "98.1 Mbits/sec",
"latency": "258 ms"
},
{
"mode": "IPv4",
"provider": "Leaseweb",
"loc": "Singapore, SG (10G)",
"send": "282 Mbits/sec",
"recv": "251 Mbits/sec",
"latency": "--"
},
{
"mode": "IPv4",
"provider": "Clouvider",
"loc": "Los Angeles, CA, US (10G)",
"send": "busy ",
"recv": "269 Mbits/sec",
"latency": "173 ms"
},
{
"mode": "IPv4",
"provider": "Leaseweb",
"loc": "NYC, NY, US (10G)",
"send": "230 Mbits/sec",
"recv": "168 Mbits/sec",
"latency": "236 ms"
},
{
"mode": "IPv4",
"provider": "Edgoo",
"loc": "Sao Paulo, BR (1G)",
"send": "206 Mbits/sec",
"recv": "104 Mbits/sec",
"latency": "335 ms"
},
{
"mode": "IPv6",
"provider": "Clouvider",
"loc": "London, UK (10G)",
"send": "241 Mbits/sec",
"recv": "228 Mbits/sec",
"latency": "154 ms"
},
{
"mode": "IPv6",
"provider": "Eranium",
"loc": "Amsterdam, NL (100G)",
"send": "243 Mbits/sec",
"recv": "262 Mbits/sec",
"latency": "166 ms"
},
{
"mode": "IPv6",
"provider": "Uztelecom",
"loc": "Tashkent, UZ (10G)",
"send": "224 Mbits/sec",
"recv": "182 Mbits/sec",
"latency": "262 ms"
},
{
"mode": "IPv6",
"provider": "Leaseweb",
"loc": "Singapore, SG (10G)",
"send": "270 Mbits/sec",
"recv": "296 Mbits/sec",
"latency": "--"
},
{
"mode": "IPv6",
"provider": "Clouvider",
"loc": "Los Angeles, CA, US (10G)",
"send": "239 Mbits/sec",
"recv": "254 Mbits/sec",
"latency": "170 ms"
},
{
"mode": "IPv6",
"provider": "Leaseweb",
"loc": "NYC, NY, US (10G)",
"send": "220 Mbits/sec",
"recv": "171 Mbits/sec",
"latency": "236 ms"
},
{
"mode": "IPv6",
"provider": "Edgoo",
"loc": "Sao Paulo, BR (1G)",
"send": "busy ",
"recv": "204 Mbits/sec",
"latency": "335 ms"
}
],
"geekbench": [
{
"version": 6,
"single": 874,
"multi": 3262,
"url": "https://browser.geekbench.com/v6/cpu/14769099"
}
],
"runtime": {
"start": 1761915518,
"end": 1761916690,
"elapsed": 1172
}
}
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.
Geekbench measures your processor's single-core and multi-core power.
| Full Test | https://browser.geekbench.com/v6/cpu/14769099 |
|---|---|
| Multi Core | 3262 |
| Single Core | 874 |
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 | 60.1 MB/s 15.015k IOPS | 909.8 MB/s 14.215k IOPS | 1956.8 MB/s 3.821k IOPS | 3683.4 MB/s 3.597k IOPS |
| Write | 60.2 MB/s 15.046k IOPS | 914.6 MB/s 14.29k IOPS | 2060.8 MB/s 4.024k IOPS | 3928.7 MB/s 3.836k IOPS |
| Total | 120.2 MB/s 30.061k IOPS | 1824.4 MB/s 28.505k IOPS | 4017.5 MB/s 7.845k IOPS | 7612.2 MB/s 7.433k IOPS |
Iperf3 tests download and upload speeds to various locations using 8 parallel threads.
| Download | Upload | |
|---|---|---|
|
Edgoo Sao Paulo, BR (1G) |
104 Mbits/sec | 206 Mbits/sec |
|
Clouvider London, UK (10G) |
busy | 216 Mbits/sec |
|
Leaseweb NYC, NY, US (10G) |
168 Mbits/sec | 230 Mbits/sec |
|
Eranium Amsterdam, NL (100G) |
256 Mbits/sec | 243 Mbits/sec |
|
Leaseweb Singapore, SG (10G) |
251 Mbits/sec | 282 Mbits/sec |
|
Uztelecom Tashkent, UZ (10G) |
98 Mbits/sec | busy |
|
Clouvider Los Angeles, CA, US (10G) |
269 Mbits/sec | busy |
Iperf3 tests download and upload speeds to various locations using 8 parallel threads.
| Download | Upload | |
|---|---|---|
|
Edgoo Sao Paulo, BR (1G) |
204 Mbits/sec | busy |
|
Clouvider London, UK (10G) |
228 Mbits/sec | 241 Mbits/sec |
|
Leaseweb NYC, NY, US (10G) |
171 Mbits/sec | 220 Mbits/sec |
|
Eranium Amsterdam, NL (100G) |
262 Mbits/sec | 243 Mbits/sec |
|
Leaseweb Singapore, SG (10G) |
296 Mbits/sec | 270 Mbits/sec |
|
Uztelecom Tashkent, UZ (10G) |
182 Mbits/sec | 224 Mbits/sec |
|
Clouvider Los Angeles, CA, US (10G) |
254 Mbits/sec | 239 Mbits/sec |