The KFA2 GeForce RTX 3090 Ti HOF is based on the NVIDIA GeForce RTX 3090 Ti (Ampere) and has 24 GB GDDR6X graphics memory with a bandwidth of 1008 GB/s.
Quick comparison
In FP32 performance, the KFA2 GeForce RTX 3090 Ti HOF is 2,012 % faster than the ZOTAC GeForce GTX 950 OC.
ZOTAC GeForce GTX 950 OCKFA2 GeForce RTX 3090 Ti HOF
The ZOTAC GeForce GTX 950 OC has the GM206-250-A1 graphics chip installed, which is based on the Maxwell 2.0 architecture.
The KFA2 GeForce RTX 3090 Ti HOF is based on the graphics chip GA102-350-A1, which comes from the Ampere architecture.
Memory
Memory
ZOTAC GeForce GTX 950 OC
KFA2 GeForce RTX 3090 Ti HOF
Memory Size
2 GB
24 GB
Memory Type
GDDR5
GDDR6X
Memory Clock
1.653 GHz
1.313 GHz
Memory Speed
6.6 Gbps
21.0 Gbps
Memory bandwidth
106 GB/s
1,008 GB/s
Memory Interface
128 bit
384 bit
More information
The graphics memory of the ZOTAC GeForce GTX 950 OC clocks at 1.653 GHz, which corresponds to a speed of 6.6 Gbps.
The graphics memory speed of the KFA2 GeForce RTX 3090 Ti HOF is 21.0 Gbps and the clock speed is 1.313 GHz.
Clock Speeds
Clock Speeds
ZOTAC GeForce GTX 950 OC
KFA2 GeForce RTX 3090 Ti HOF
Base Clock
1.102 GHz
1.560 GHz
Boost Clock
1.279 GHz
1.935 GHz
Avg (Game) Clock
--
1.92 GHz
Overclocking
Yes
Yes
More information
The clock frequency of a graphics card determines the speed in connection with the graphics architecture.
Thermal Design
Thermal Design
ZOTAC GeForce GTX 950 OC
KFA2 GeForce RTX 3090 Ti HOF
TDP
90 W
450 W
Tjunction max
95 °C
92 °C
PCIe-Power
1 x 6-Pin
6 x 8-Pin
More information
The ZOTAC GeForce GTX 950 OC is powered by 1 x 6-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 90 W.
The KFA2 GeForce RTX 3090 Ti HOF has 6 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 450 W.
Cooler & Fans
Cooler & Fans
ZOTAC GeForce GTX 950 OC
KFA2 GeForce RTX 3090 Ti HOF
Fan-Type
Axial
Axial
Fan 1
2 x 75 mm
2 x 102 mm
Fan 2
--
1 x 92 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
0 dB
More information
The ZOTAC GeForce GTX 950 OC is equipped with a total of 2 Axial main fans.
The KFA2 GeForce RTX 3090 Ti HOF has 3 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
ZOTAC GeForce GTX 950 OC
KFA2 GeForce RTX 3090 Ti HOF
Max. Displays
4
4
HDCP
2.2
2.3
HDMI
1x HDMI 2.0
1x HDMI 2.1
DisplayPort
1x DP 1.2
3x DP 1.4a
DVI
2
--
More information
Up to 4 screens can be operated with the ZOTAC GeForce GTX 950 OC.
The KFA2 GeForce RTX 3090 Ti HOF supports the operation of a maximum of 4 monitors.
Featureset
Featureset
ZOTAC GeForce GTX 950 OC
KFA2 GeForce RTX 3090 Ti HOF
Max. resolution
4096x2160
7680x4320
DirectX
12_1
12_2 (Ultimate)
Raytracing
No
Yes
DLSS / FSR
No
Yes
LED
No LED lighting
Addressable LED
More information
With the ZOTAC GeForce GTX 950 OC it is possible to operate a screen with a maximum resolution of up to 4096x2160 pixels.
The maximum supported resolution of the KFA2 GeForce RTX 3090 Ti HOF is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
ZOTAC GeForce GTX 950 OC
KFA2 GeForce RTX 3090 Ti HOF
h264
Decode / Encode
Decode / Encode
h265 / HEVC
No
Decode / Encode
VP8
Decode
Decode
VP9
No
Decode
AV1
No
Decode
More information
The 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.
Dimensions
Dimensions
ZOTAC GeForce GTX 950 OC
KFA2 GeForce RTX 3090 Ti HOF
Length
206 mm
352 mm
Height
111 mm
160 mm
Width
--
68 mm
Width (Slots)
2 Slots
4 Slots
SFF-Ready
No
No
More information
The ZOTAC GeForce GTX 950 OC is connected to the system via PCIe 3 x 16 lanes and requires 2 PCIe-Slots space in the housing.
The KFA2 GeForce RTX 3090 Ti HOF needs the space of 4 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface.
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Time Spy Extreme Graphics score KFA2 GeForce RTX 3090 Ti HOF +1,345.6 %
Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.
The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.
Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
FP32 (TFLOPS) KFA2 GeForce RTX 3090 Ti HOF +2,012.2 %
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