The Gainward GeForce RTX 3080 12GB Phantom GS has 8960 shader units and these clock at a maximum of 1.82 GHz and achieve an FP32 computing power of 32.52 TFLOPS.
Quick comparison
In FP32 performance, the Gainward GeForce RTX 3080 12GB Phantom GS is 57 % faster than the XFX Radeon RX 6800 XT.
The XFX Radeon RX 6800 XT is equipped with a graphics chip of the RDNA 2 architecture, which has 72 streaming multiprocessors.
The graphics card Gainward GeForce RTX 3080 12GB Phantom GS is based on the Ampere architecture and is equipped with 70 execution units.
Memory
Memory
XFX Radeon RX 6800 XT
Gainward GeForce RTX 3080 12GB Phantom GS
Memory Size
16 GB
12 GB
Memory Type
GDDR6
GDDR6X
Memory Clock
2.000 GHz
1.188 GHz
Memory Speed
16.0 Gbps
19.0 Gbps
Memory bandwidth
512 GB/s
912 GB/s
Memory Interface
256 bit
384 bit
More information
The XFX Radeon RX 6800 XT is equipped with a 16 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks.
The Gainward GeForce RTX 3080 12GB Phantom GS has a 12 GB large GDDR6X graphics memory and the memory clock is 1.188GHz.
Clock Speeds
Clock Speeds
XFX Radeon RX 6800 XT
Gainward GeForce RTX 3080 12GB Phantom GS
Base Clock
1.825 GHz
1.260 GHz
Boost Clock
2.250 GHz
1.815 GHz
Avg (Game) Clock
2.02 GHz
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Overclocking
Yes
Yes
More information
The XFX Radeon RX 6800 XT has a turbo clock of 2.250 GHz. The turbo frequency of the Gainward GeForce RTX 3080 12GB Phantom GS is 1.815 GHz.
Thermal Design
Thermal Design
XFX Radeon RX 6800 XT
Gainward GeForce RTX 3080 12GB Phantom GS
TDP
300 W
350 W
TDP (up)
345 W
--
Tjunction max
100 °C
93 °C
PCIe-Power
2 x 8-Pin
3 x 8-Pin
More information
The XFX Radeon RX 6800 XT has 2 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 100 °C.
The Gainward GeForce RTX 3080 12GB Phantom GS is equipped with a 3 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 93 °C.
Cooler & Fans
Cooler & Fans
XFX Radeon RX 6800 XT
Gainward GeForce RTX 3080 12GB Phantom GS
Fan-Type
Axial
Axial
Fan 1
3 x 80 mm
3 x 100 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
0 dB
Noise (Load)
37 dB
--
More information
The graphics processor and graphics memory of the XFX Radeon RX 6800 XT are cooled with a Air cooling.
The Gainward GeForce RTX 3080 12GB Phantom GS is cooled by a Air cooling.
Connectivity
Connectivity
XFX Radeon RX 6800 XT
Gainward GeForce RTX 3080 12GB Phantom GS
Max. Displays
4
4
HDCP
2.3
2.3
HDMI
1x HDMI 2.1
1x HDMI 2.1
DisplayPort
2x DP 1.4a
3x DP 1.4a
USB-C
1
--
More information
The XFX Radeon RX 6800 XT supports the downward compatible copy protection HDCP in version 2.3.
The Gainward GeForce RTX 3080 12GB Phantom GS supports HDCP in version 2.3 and all previous versions.
Featureset
Featureset
XFX Radeon RX 6800 XT
Gainward GeForce RTX 3080 12GB Phantom GS
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_2 (Ultimate)
Raytracing
Yes
Yes
DLSS / FSR
Yes
Yes
LED
Non addressable LED
Addressable LED
More information
The XFX Radeon RX 6800 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate).
The Gainward GeForce RTX 3080 12GB Phantom GS supports Microsoft's DirectX version 12_2 (Ultimate).
Supported Video Codecs
Supported Video Codecs
XFX Radeon RX 6800 XT
Gainward GeForce RTX 3080 12GB Phantom GS
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode / Encode
Decode
VP9
Decode / Encode
Decode
AV1
Decode
Decode
More information
This area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load.
Dimensions
Dimensions
XFX Radeon RX 6800 XT
Gainward GeForce RTX 3080 12GB Phantom GS
Length
267 mm
304 mm
Height
120 mm
138 mm
Width
50 mm
--
Width (Slots)
3 Slots
3 Slots
Weight
1,500 g
--
SFF-Ready
No
No
More information
The XFX Radeon RX 6800 XT is 50 mm wide and therefore needs the space of 3 PCIe-Slots in the case.
The width of the Gainward GeForce RTX 3080 12GB Phantom GS is 50 mm and thus requires the space of 3 PCIe-Slots in the PC case.
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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