GPU comparison with benchmarksThe KFA2 GeForce RTX 3090 HOF Premium is based on the NVIDIA GeForce RTX 3090 (Ampere) and has 24 GB GDDR6X graphics memory with a bandwidth of 936 GB/s.
The ZOTAC GAMING GeForce RTX 2080 Twin Fan is based on the NVIDIA GeForce RTX 2080 (Turing) and has 8 GB GDDR6 graphics memory with a bandwidth of 448 GB/s. |
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GPUThe KFA2 GeForce RTX 3090 HOF Premium has the GA102-300-A1 graphics chip installed, which is based on the Ampere architecture. The ZOTAC GAMING GeForce RTX 2080 Twin Fan is based on the graphics chip TU104, which comes from the Turing architecture. |
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KFA2 GeForce RTX 3090 HOF Premium | GPU | ZOTAC GAMING GeForce RTX 2080 Twin Fan |
NVIDIA GeForce RTX 3090 | Based on | NVIDIA GeForce RTX 2080 |
GA102-300-A1 | GPU Chip | TU104 |
Ampere | Architecture | Turing |
82 | Streaming Multiprocessors | 46 |
10496 | Shader | 2944 |
112 | Render Output Units | 64 |
328 | Texture Units | 184 |
82 | Raytracing Cores | 46 |
MemoryThe graphics memory of the KFA2 GeForce RTX 3090 HOF Premium clocks at 1.219 GHz, which corresponds to a speed of 19.5 Gbps. The graphics memory speed of the ZOTAC GAMING GeForce RTX 2080 Twin Fan is 14.0 Gbps and the clock speed is 1.750 GHz. |
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24 GB | Memory Size | 8 GB |
GDDR6X | Memory Type | GDDR6 |
1.219 GHz | Memory Clock | 1.750 GHz |
19.5 Gbps | Memory Speed | 14.0 Gbps |
936 GB/s | Memory bandwidth | 448 GB/s |
384 bit | Memory Interface | 256 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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1.395 GHz | Base Clock | 1.515 GHz |
1.815 GHz | Boost Clock | 1.770 GHz |
1.80 GHz | Avg (Game) Clock | 1.71 GHz |
Yes | Overclocking | Yes |
Thermal DesignThe KFA2 GeForce RTX 3090 HOF Premium is powered by 3 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 420 W. The ZOTAC GAMING GeForce RTX 2080 Twin Fan has 1 x 6-Pin, 1 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 215 W. |
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420 W | TDP | 215 W |
-- | TDP (up) | -- |
93 °C | Tjunction max | 88 °C |
3 x 8-Pin | PCIe-Power | 1 x 6-Pin, 1 x 8-Pin |
Cooler & FansThe KFA2 GeForce RTX 3090 HOF Premium is equipped with a total of 3 Axial main fans. The ZOTAC GAMING GeForce RTX 2080 Twin Fan has 2 Axial main fans that cool the GPU and memory. |
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Axial | Fan-Type | Axial |
2 x 102 mm | Fan 1 | 2 x 90 mm |
1 x 92 mm | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | dB |
-- | Noise (Load) | -- |
ConnectivityUp to 4 screens can be operated with the KFA2 GeForce RTX 3090 HOF Premium. The ZOTAC GAMING GeForce RTX 2080 Twin Fan supports the operation of a maximum of 4 monitors. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.2 |
1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
3x DP v1.4a | DP Ports | 3x DP v1.4a |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
-- | USB-C Ports | 1 |
FeaturesetWith the KFA2 GeForce RTX 3090 HOF Premium it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the ZOTAC GAMING GeForce RTX 2080 Twin Fan is 7680x4320 pixels. |
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7680x4320 | Max. resolution | 7680x4320 |
12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
Yes | Raytracing | Yes |
Yes | DLSS / FSR | Yes |
Addressable LED | LED | No LED lighting |
Supported Video CodecsThe support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card. |
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Decode / Encode | h264 | Decode / Encode |
Decode / Encode | h265 / HEVC | Decode / Encode |
Decode | AV1 | No |
Decode | VP8 | Decode |
Decode | VP9 | Decode |
DimensionsThe KFA2 GeForce RTX 3090 HOF Premium is connected to the system via PCIe 4.0 x 16 lanes and requires 4 PCIe-Slots space in the housing. The ZOTAC GAMING GeForce RTX 2080 Twin Fan needs the space of 2 PCIe-Slots in the case and has a PCIe 3.0 x 16 Lanes interface. |
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352 mm | Length | 268 mm |
160 mm | Height | 113 mm |
68 mm | Width | 38 mm |
4 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
-- | Weight | -- |
PCIe 4.0 x 16 | GPU Interface | PCIe 3.0 x 16 |
Additional dataThe KFA2 GeForce RTX 3090 HOF Premium has been manufactured with a structure width of 8 nanometers since Q4/2020. The ZOTAC GAMING GeForce RTX 2080 Twin Fan came on the market in Q3/2018 and will have a structure width of 12 nanometers manufactured. |
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39NXM5MD3BMK | Part-no | ZT-T20800F-10P |
Q4/2020 | Release date | Q3/2018 |
1,499 $ (Reference) | Launch Price | 699 $ (Reference) |
8 nm | Structure size | 12 nm |
data sheet | Documents | data sheet |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |
KFA2 GeForce RTX 3090 HOF Premium
24 GB GDDR6X |
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ZOTAC GAMING GeForce RTX 2080 Twin Fan
8 GB GDDR6 |