Well, my main goal was to count ethnic groups and peoples who are native to the geographical continent of Europe, rather than "whites" (because the definition of "whites" is not entirely clear and some people include also some Non-European ethnic groups as "white"). Ancestors of Greeks, Russians and Finns have been living within the boundaries of Europe already for thousands of years, whereas Turks are generally native to Asia Minor rather than to Europe. I know that there are some exceptions to this rule, like for example Pontic Greeks and Balkan Turks, but still the Greek and Russian languages and ethnicities originated within Europe, while the Turkish language and ethnicity originated in Asia Minor (or even in Central Asia, depending on how we count the point of origin).
But yes, it is true that Turks generally have roughly the same ancestral components as Europeans.
I checked all of Global25 Turkish reference populations in my 10 Thousand Years Ago calculator:
The goal of this calculator was to represent populations which existed in the world around 10,000 years ago (KYA).
www.exploreyourdna.com
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Target: Turkish_West_Macedonia
Distance: 2.4169% / 0.02416915 | R5P
46.4 Anatolia_Greece_10KYA
38.8 Steppe_Proto_Yamnaya
8.0 South_Baltic_Coast_10KYA
3.8 Northern_Iran_10KYA
3.0 Levant_10KYA
Target: Turkish_Trabzon
Distance: 2.8810% / 0.02880986 | R5P
38.2 Anatolia_Greece_10KYA
34.6 Caucasus_10KYA
12.6 Zagros_Mountains_10KYA
12.4 Levant_10KYA
2.2 Steppe_Proto_Yamnaya
Target: Turkish_Thessaly
Distance: 1.7587% / 0.01758711 | R5P
49.8 Anatolia_Greece_10KYA
33.0 Steppe_Proto_Yamnaya
8.2 Zagros_Mountains_10KYA
5.6 South_Baltic_Coast_10KYA
3.4 East_Asia(north)_10KYA
Target: Turkish_Sivas
Distance: 2.4258% / 0.02425760 | R5P
40.8 Anatolia_Greece_10KYA
22.4 Zagros_Mountains_10KYA
18.8 Steppe_Proto_Yamnaya
11.0 Caucasus_10KYA
7.0 East_Asia(north)_10KYA
Target: Turkish_Rumeli
Distance: 1.0449% / 0.01044884 | R5P
44.8 Anatolia_Greece_10KYA
33.8 Steppe_Proto_Yamnaya
9.8 Zagros_Mountains_10KYA
6.8 East_Asia(north)_10KYA
4.8 South_Baltic_Coast_10KYA
Target: Turkish_North_Macedonia
Distance: 2.0353% / 0.02035301 | R5P
44.8 Anatolia_Greece_10KYA
33.8 Steppe_Proto_Yamnaya
7.4 South_Baltic_Coast_10KYA
7.2 Northern_Iran_10KYA
6.8 Levant_10KYA
Target: Turkish_Nevsehir
Distance: 2.4076% / 0.02407627 | R5P
43.0 Anatolia_Greece_10KYA
20.6 Zagros_Mountains_10KYA
20.0 Steppe_Proto_Yamnaya
10.2 Caucasus_10KYA
6.2 East_Asia(north)_10KYA
Target: Turkish_Lesbos
Distance: 2.0929% / 0.02092918 | R5P
37.8 Anatolia_Greece_10KYA
28.8 Steppe_Proto_Yamnaya
14.4 Western_Iran_10KYA
9.8 East_Asia(north)_10KYA
9.2 Levant_10KYA
Target: Turkish_Konya
Distance: 2.0886% / 0.02088579 | R5P
44.2 Anatolia_Greece_10KYA
20.0 Zagros_Mountains_10KYA
19.8 Steppe_Proto_Yamnaya
8.4 East_Asia(north)_10KYA
7.6 Caucasus_10KYA
Target: Turkish_Kayseri
Distance: 2.1961% / 0.02196128 | R5P
44.0 Anatolia_Greece_10KYA
21.8 Zagros_Mountains_10KYA
17.6 Steppe_Proto_Yamnaya
10.4 Caucasus_10KYA
6.2 East_Asia(north)_10KYA
Target: Turkish_Giresun
Distance: 1.9045% / 0.01904480 | R5P
37.4 Anatolia_Greece_10KYA
18.8 Steppe_Proto_Yamnaya
16.0 Zagros_Mountains_10KYA
14.0 East_Asia(north)_10KYA
13.8 Caucasus_10KYA
Target: Turkish_Erzurum
Distance: 2.4456% / 0.02445572 | R5P
30.4 Anatolia_Greece_10KYA
24.0 Caucasus_10KYA
20.2 Zagros_Mountains_10KYA
12.8 Steppe_Proto_Yamnaya
12.6 Levant_10KYA
Target: Turkish_Dodecanese
Distance: 2.0199% / 0.02019851 | R5P
35.4 Anatolia_Greece_10KYA
25.0 Steppe_Proto_Yamnaya
17.8 Zagros_Mountains_10KYA
14.0 Levant_10KYA
7.8 East_Asia(center)_10KYA
Target: Turkish_Denizli
Distance: 1.4261% / 0.01426148 | R5P
40.4 Anatolia_Greece_10KYA
24.4 Steppe_Proto_Yamnaya
17.8 Zagros_Mountains_10KYA
11.8 East_Asia(north)_10KYA
5.6 Caucasus_10KYA
Target: Turkish_Deliorman
Distance: 1.2058% / 0.01205785 | R5P
42.8 Anatolia_Greece_10KYA
35.0 Steppe_Proto_Yamnaya
8.8 Zagros_Mountains_10KYA
7.8 South_Baltic_Coast_10KYA
5.6 East_Asia(north)_10KYA
Target: Turkish_Crete
Distance: 1.4831% / 0.01483085 | R5P
47.6 Anatolia_Greece_10KYA
26.8 Steppe_Proto_Yamnaya
12.8 Levant_10KYA
10.0 Zagros_Mountains_10KYA
2.8 Caucasus_10KYA
Target: Turkish_Chitak
Distance: 2.5794% / 0.02579391 | R5P
46.0 Anatolia_Greece_10KYA
34.6 Steppe_Proto_Yamnaya
8.8 Zagros_Mountains_10KYA
6.0 South_Baltic_Coast_10KYA
4.6 East_Asia(north)_10KYA
Target: Turkish_Canakkale_Europe
Distance: 1.8618% / 0.01861794 | R5P
44.4 Anatolia_Greece_10KYA
25.2 Steppe_Proto_Yamnaya
18.0 Zagros_Mountains_10KYA
6.8 South_Baltic_Coast_10KYA
5.6 East_Asia(center)_10KYA
Target: Turkish_Balikesir
Distance: 1.5792% / 0.01579163 | R5P
40.4 Anatolia_Greece_10KYA
27.4 Steppe_Proto_Yamnaya
15.0 Zagros_Mountains_10KYA
12.6 East_Asia(north)_10KYA
4.6 Caucasus_10KYA
Target: Turkish_Aydin
Distance: 1.8433% / 0.01843336 | R5P
41.6 Anatolia_Greece_10KYA
23.2 Steppe_Proto_Yamnaya
16.4 Zagros_Mountains_10KYA
12.0 East_Asia(north)_10KYA
6.8 Caucasus_10KYA
Target: Turkish_Antalya
Distance: 1.4871% / 0.01487109 | R5P
33.0 Anatolia_Greece_10KYA
28.0 Steppe_Proto_Yamnaya
17.8 Zagros_Mountains_10KYA
13.6 East_Asia(north)_10KYA
7.6 Levant_10KYA
Target: Turkish_Ahiska
Distance: 2.6911% / 0.02691105 | R5P
41.4 Caucasus_10KYA
29.0 Anatolia_Greece_10KYA
12.6 Levant_10KYA
8.8 Steppe_Proto_Yamnaya
8.2 Zagros_Mountains_10KYA
The main differences are the Iranian, Caucasian and Levantine contributions that most Turks score.
Turks from Anatolia generally score at least >20% of Iranian, Caucasian and Levantine admixtures.