The ASUS ROG Strix Radeon RX 6800 OC has 3840 shader units and these clock a maximum of 2.19 GHz which results in an FP32 computing power of 16.82 TFLOPS.
The Gainward GeForce RTX 3080 Phoenix has 8704 shader units and these clock at a maximum of 1.71 GHz and achieve an FP32 computing power of 29.77 TFLOPS.
Quick comparison
In FP32 performance, the Gainward GeForce RTX 3080 Phoenix is 77 % faster than the ASUS ROG Strix Radeon RX 6800 OC.
The ASUS ROG Strix Radeon RX 6800 OC is equipped with a graphics chip of the RDNA 2 architecture, which has 60 streaming multiprocessors.
The graphics card Gainward GeForce RTX 3080 Phoenix is based on the Ampere architecture and is equipped with 68 execution units.
Memory
Memory
ASUS ROG Strix Radeon RX 6800 OC
Gainward GeForce RTX 3080 Phoenix
Memory Size
16 GB
10 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
760 GB/s
Memory Interface
256 bit
320 bit
More information
The ASUS ROG Strix Radeon RX 6800 OC is equipped with a 16 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks.
The Gainward GeForce RTX 3080 Phoenix has a 10 GB large GDDR6X graphics memory and the memory clock is 1.188GHz.
Clock Speeds
Clock Speeds
ASUS ROG Strix Radeon RX 6800 OC
Gainward GeForce RTX 3080 Phoenix
Base Clock
1.850 GHz
1.440 GHz
Boost Clock
2.190 GHz
1.710 GHz
Avg (Game) Clock
1.98 GHz
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Overclocking
Yes
Yes
More information
The ASUS ROG Strix Radeon RX 6800 OC has a turbo clock of 2.190 GHz. The turbo frequency of the Gainward GeForce RTX 3080 Phoenix is 1.710 GHz.
Thermal Design
Thermal Design
ASUS ROG Strix Radeon RX 6800 OC
Gainward GeForce RTX 3080 Phoenix
TDP
250 W
320 W
TDP (up)
285 W
370 W
Tjunction max
100 °C
93 °C
PCIe-Power
2 x 8-Pin
2 x 8-Pin
More information
The ASUS ROG Strix Radeon RX 6800 OC 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 Phoenix is equipped with a 2 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
ASUS ROG Strix Radeon RX 6800 OC
Gainward GeForce RTX 3080 Phoenix
Fan-Type
Axial
Axial
Fan 1
3 x 100 mm
3 x 90 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
0 dB
Noise (Load)
35 dB
41-42 dB
More information
The graphics processor and graphics memory of the ASUS ROG Strix Radeon RX 6800 OC are cooled with a Air cooling.
The Gainward GeForce RTX 3080 Phoenix is cooled by a Air cooling.
Connectivity
Connectivity
ASUS ROG Strix Radeon RX 6800 OC
Gainward GeForce RTX 3080 Phoenix
Max. Displays
4
4
HDCP
2.3
2.3
HDMI
1x HDMI 2.1
1x HDMI 2.1
DisplayPort
3x DP 1.4a
3x DP 1.4a
More information
The ASUS ROG Strix Radeon RX 6800 OC supports the downward compatible copy protection HDCP in version 2.3.
The Gainward GeForce RTX 3080 Phoenix supports HDCP in version 2.3 and all previous versions.
Featureset
Featureset
ASUS ROG Strix Radeon RX 6800 OC
Gainward GeForce RTX 3080 Phoenix
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_2 (Ultimate)
Raytracing
Yes
Yes
DLSS / FSR
Yes
Yes
LED
ASUS Aura Sync
No LED lighting
More information
The ASUS ROG Strix Radeon RX 6800 OC supports the DirectX standard from Microsoft in version 12_2 (Ultimate).
The Gainward GeForce RTX 3080 Phoenix supports Microsoft's DirectX version 12_2 (Ultimate).
Supported Video Codecs
Supported Video Codecs
ASUS ROG Strix Radeon RX 6800 OC
Gainward GeForce RTX 3080 Phoenix
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
ASUS ROG Strix Radeon RX 6800 OC
Gainward GeForce RTX 3080 Phoenix
Length
320 mm
294 mm
Height
129 mm
112 mm
Width
57 mm
--
Width (Slots)
3 Slots
3 Slots
SFF-Ready
No
No
More information
The ASUS ROG Strix Radeon RX 6800 OC is 57 mm wide and therefore needs the space of 3 PCIe-Slots in the case.
The width of the Gainward GeForce RTX 3080 Phoenix is 57 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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