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The IS has 1080 hit points , 120mm of frontal hull armor , and a top speed of 34 km/h. . The vehicle can equip 4 different gun configurations, allowing for varied playstyles.
Hull & survivability
| Hit points (HP) | 1080 |
|---|---|
| Weight | 23.6 t |
| Hull armor (F / S / R) | 120 / 90 / 60 mm |
The front-to-side armor ratio is 1.3:1. Side armor is relatively comparable to the front, meaning the IS can absorb some side hits in close-quarters fighting.
Mobility
| Top forward speed | 34 km/h |
|---|---|
| Top reverse speed | 14 km/h |
Forward-to-reverse speed ratio is 2.4:1. Reverse speed is limited, so pre-aim and exposure timing matter more on this vehicle.
Camouflage
| Camo (stationary) | 13.9% |
|---|---|
| Camo (moving) | 7.0% |
Available guns (4)
| Gun | Tier | Damage | Pen | Reload | RoF |
|---|---|---|---|---|---|
| 85 mm D-5T (IS) | 6 | — | — | 4.6s | — |
| 100 mm D-10T (IS) | 7 | — | — | 7.8s | — |
| 85 mm D-5T (IS) | 6 | — | — | 4.6s | — |
| 100 mm D-10T (IS) | 7 | — | — | 7.6s | — |
How IS compares to its peers
There are 32 tier 7 heavy tanks in WoT, including the IS. Its 1080 HP places it in the top 65% for hit points among same-tier heavy tanks (peer average: 1122). Frontal hull armor of 120mm ranks in the top 32% for the class (peer average: 116mm). Top forward speed of 34 km/h is faster than 29% of peer vehicles in this tier and class.
Direct comparisons
- IS vs 45TP — tier 7 heavy tank from Poland
- IS vs AMX M4 45 — tier 7 heavy tank from France
- IS vs Black Prince — tier 7 heavy tank from UK
- IS vs BP II — tier 7 heavy tank from UK
- See full tier 7 heavy tank tier list — all 32 vehicles ranked
About this vehicle
The IS-1 (IS-85) heavy tank was a thorough modernization of the KV-1. The tank featured the 85-mm D-5T gun. The IS-1 entered mass production in October 1943, but work was discontinued at the beginning of 1944, as the IS-2 (IS-122) tank entered mass production in December 1943. A total of 107 vehicles were manufactured.
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See Dolphin browser →Frequently asked
What tier is the IS in WoT?
The IS is a tier 7 heavy tank from USSR.
Is the IS a premium tank?
No — the IS is a researchable tech-tree vehicle, not a premium tank.
What's the top speed of the IS?
34 km/h forward, 14 km/h reverse.
How much armor does the IS have?
Hull armor: 120mm front, 90mm side, 60mm rear.