The ZOTAC GeForce GTX 1080 Ti AMP Extreme is based on the NVIDIA GeForce GTX 1080 Ti (Pascal) and has 11 GB GDDR5X graphics memory with a bandwidth of 492 GB/s.
The ZOTAC GeForce GTX 1080 Ti AMP Extreme has the GP102-350-K1-A1 graphics chip installed, which is based on the Pascal architecture.
The Sapphire Radeon RX Vega 56 is based on the graphics chip Vega 10 XL, which comes from the GCN 5 architecture.
Memory
Memory
ZOTAC GeForce GTX 1080 Ti AMP Extreme
Sapphire Radeon RX Vega 56
Memory Size
11 GB
8 GB
Memory Type
GDDR5X
HBM2
Memory Clock
1.400 GHz
0.800 GHz
Memory Speed
11.2 Gbps
1.6 Gbps
Memory bandwidth
492 GB/s
410 GB/s
Memory Interface
352 bit
2,048 bit
More information
The graphics memory of the ZOTAC GeForce GTX 1080 Ti AMP Extreme clocks at 1.400 GHz, which corresponds to a speed of 11.2 Gbps.
The graphics memory speed of the Sapphire Radeon RX Vega 56 is 1.6 Gbps and the clock speed is 0.800 GHz.
Clock Speeds
Clock Speeds
ZOTAC GeForce GTX 1080 Ti AMP Extreme
Sapphire Radeon RX Vega 56
Base Clock
1.645 GHz
1.156 GHz
Boost Clock
1.759 GHz
1.471 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 1080 Ti AMP Extreme
Sapphire Radeon RX Vega 56
TDP
320 W
210 W
Tjunction max
91 °C
100 °C
PCIe-Power
2 x 8-Pin
2 x 8-Pin
More information
The ZOTAC GeForce GTX 1080 Ti AMP Extreme is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 320 W.
The Sapphire Radeon RX Vega 56 has 2 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 210 W.
Cooler & Fans
Cooler & Fans
ZOTAC GeForce GTX 1080 Ti AMP Extreme
Sapphire Radeon RX Vega 56
Fan-Type
Axial
Radial
Fan 1
3 x 90 mm
1 x 70 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
37 dB
Noise (Load)
--
49 dB
More information
The ZOTAC GeForce GTX 1080 Ti AMP Extreme is equipped with a total of 3 Axial main fans.
The Sapphire Radeon RX Vega 56 has 1 Radial main fans that cool the GPU and memory.
Connectivity
Connectivity
ZOTAC GeForce GTX 1080 Ti AMP Extreme
Sapphire Radeon RX Vega 56
Max. Displays
4
4
HDCP
2.2
--
HDMI
1x HDMI 2.0b
1x HDMI 2.0b
DisplayPort
3x DP 1.4
3x DP 1.4
DVI
1
--
More information
Up to 4 screens can be operated with the ZOTAC GeForce GTX 1080 Ti AMP Extreme.
The Sapphire Radeon RX Vega 56 supports the operation of a maximum of 4 monitors.
Featureset
Featureset
ZOTAC GeForce GTX 1080 Ti AMP Extreme
Sapphire Radeon RX Vega 56
Max. resolution
7680x4320
7680x4320
DirectX
12_1
12_1
Raytracing
No
No
DLSS / FSR
Yes
Yes
LED
ZOTAC SPECTRA
No LED lighting
More information
With the ZOTAC GeForce GTX 1080 Ti AMP Extreme it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the Sapphire Radeon RX Vega 56 is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
ZOTAC GeForce GTX 1080 Ti AMP Extreme
Sapphire Radeon RX Vega 56
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode
VP9
Decode
Decode / Encode
AV1
No
No
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 1080 Ti AMP Extreme
Sapphire Radeon RX Vega 56
Length
325 mm
280 mm
Height
148 mm
127 mm
Width
57 mm
40 mm
Width (Slots)
3 Slots
2 Slots
Weight
--
1,090 g
SFF-Ready
No
No
More information
The ZOTAC GeForce GTX 1080 Ti AMP Extreme is connected to the system via PCIe 3.0 x 16 lanes and requires 3 PCIe-Slots space in the housing.
The Sapphire Radeon RX Vega 56 needs the space of 2 PCIe-Slots in the case and has a PCIe 3.0 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 ZOTAC GeForce GTX 1080 Ti AMP Extreme +59.0 %
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.
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