The GIGABYTE GeForce GTX 1080 Mini ITX 8G is based on the NVIDIA GeForce GTX 1080 (Pascal) and has 8 GB GDDR5X graphics memory with a bandwidth of 320 GB/s.
Quick comparison
In FP32 performance, the Sapphire Radeon RX 6800 XT is 129 % faster than the GIGABYTE GeForce GTX 1080 Mini ITX 8G.
The Sapphire Radeon RX 6800 XT has the Navi 21 XT graphics chip installed, which is based on the RDNA 2 architecture.
The GIGABYTE GeForce GTX 1080 Mini ITX 8G is based on the graphics chip GP104-400-A1 / GP104-410-A1, which comes from the Pascal architecture.
Memory
Memory
Sapphire Radeon RX 6800 XT
GIGABYTE GeForce GTX 1080 Mini ITX 8G
Memory Size
16 GB
8 GB
Memory Type
GDDR6
GDDR5X
Memory Clock
2.000 GHz
1.251 GHz
Memory Speed
16.0 Gbps
10.0 Gbps
Memory bandwidth
512 GB/s
320 GB/s
Memory Interface
256 bit
256 bit
More information
The graphics memory of the Sapphire Radeon RX 6800 XT clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps.
The graphics memory speed of the GIGABYTE GeForce GTX 1080 Mini ITX 8G is 10.0 Gbps and the clock speed is 1.251 GHz.
Clock Speeds
Clock Speeds
Sapphire Radeon RX 6800 XT
GIGABYTE GeForce GTX 1080 Mini ITX 8G
Base Clock
1.825 GHz
1.733 GHz
Boost Clock
2.250 GHz
1.771 GHz
Avg (Game) Clock
2.02 GHz
1.73 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
Sapphire Radeon RX 6800 XT
GIGABYTE GeForce GTX 1080 Mini ITX 8G
TDP
300 W
180 W
TDP (up)
345 W
--
Tjunction max
100 °C
94 °C
PCIe-Power
2 x 8-Pin
1 x 8-Pin
More information
The Sapphire Radeon RX 6800 XT is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 300 W.
The GIGABYTE GeForce GTX 1080 Mini ITX 8G has 1 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 180 W.
Cooler & Fans
Cooler & Fans
Sapphire Radeon RX 6800 XT
GIGABYTE GeForce GTX 1080 Mini ITX 8G
Fan-Type
Axial
Axial
Fan 1
3 x 80 mm
1 x 90 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
--
Noise (Load)
37 dB
--
More information
The Sapphire Radeon RX 6800 XT is equipped with a total of 3 Axial main fans.
The GIGABYTE GeForce GTX 1080 Mini ITX 8G has 1 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
Sapphire Radeon RX 6800 XT
GIGABYTE GeForce GTX 1080 Mini ITX 8G
Max. Displays
4
4
HDCP
2.3
2.2
HDMI
1x HDMI 2.1
1x HDMI 2.0b
DisplayPort
2x DP 1.4a
3x DP 1.4
DVI
--
1
USB-C
1
--
More information
Up to 4 screens can be operated with the Sapphire Radeon RX 6800 XT.
The GIGABYTE GeForce GTX 1080 Mini ITX 8G supports the operation of a maximum of 4 monitors.
Featureset
Featureset
Sapphire Radeon RX 6800 XT
GIGABYTE GeForce GTX 1080 Mini ITX 8G
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_1
Raytracing
Yes
No
DLSS / FSR
Yes
Yes
LED
Non addressable LED
No LED lighting
More information
With the Sapphire Radeon RX 6800 XT it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the GIGABYTE GeForce GTX 1080 Mini ITX 8G is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
Sapphire Radeon RX 6800 XT
GIGABYTE GeForce GTX 1080 Mini ITX 8G
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode / Encode
Decode
VP9
Decode / Encode
Decode
AV1
Decode
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
Sapphire Radeon RX 6800 XT
GIGABYTE GeForce GTX 1080 Mini ITX 8G
Length
267 mm
169 mm
Height
120 mm
131 mm
Width
50 mm
37 mm
Width (Slots)
3 Slots
2 Slots
Weight
1,500 g
--
SFF-Ready
No
No
More information
The Sapphire Radeon RX 6800 XT is connected to the system via PCIe 4.0 x 16 lanes and requires 3 PCIe-Slots space in the housing.
The GIGABYTE GeForce GTX 1080 Mini ITX 8G 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.
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.
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