The Gainward GeForce RTX 3080 Ti Phoenix has 10240 shader units and these clock a maximum of 1.67 GHz which results in an FP32 computing power of 34.10 TFLOPS.
The Gainward GeForce RTX 3080 Ti Phoenix is equipped with a graphics chip of the Ampere architecture, which has 80 streaming multiprocessors.
The graphics card Sapphire Radeon VII is based on the GCN 5.1 architecture and is equipped with 60 execution units.
Memory
Memory
Gainward GeForce RTX 3080 Ti Phoenix
Sapphire Radeon VII
Memory Size
12 GB
16 GB
Memory Type
GDDR6X
HBM2
Memory Clock
1.188 GHz
1.000 GHz
Memory Speed
19.0 Gbps
2.0 Gbps
Memory bandwidth
912 GB/s
1,024 GB/s
Memory Interface
384 bit
4,096 bit
More information
The Gainward GeForce RTX 3080 Ti Phoenix is equipped with a 12 GB large GDDR6X graphics memory, which is equipped with 1.188 GHz clocks.
The Sapphire Radeon VII has a 16 GB large HBM2 graphics memory and the memory clock is 1.000GHz.
Clock Speeds
Clock Speeds
Gainward GeForce RTX 3080 Ti Phoenix
Sapphire Radeon VII
Base Clock
1.365 GHz
1.400 GHz
Boost Clock
1.665 GHz
1.750 GHz
Overclocking
Yes
Yes
More information
The Gainward GeForce RTX 3080 Ti Phoenix has a turbo clock of 1.665 GHz. The turbo frequency of the Sapphire Radeon VII is 1.750 GHz.
Thermal Design
Thermal Design
Gainward GeForce RTX 3080 Ti Phoenix
Sapphire Radeon VII
TDP
350 W
300 W
Tjunction max
93 °C
99 °C
PCIe-Power
2 x 8-Pin
2 x 8-Pin
More information
The Gainward GeForce RTX 3080 Ti Phoenix 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 93 °C.
The Sapphire Radeon VII is equipped with a 2 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 99 °C.
Cooler & Fans
Cooler & Fans
Gainward GeForce RTX 3080 Ti Phoenix
Sapphire Radeon VII
Fan-Type
Axial
Axial
Fan 1
3 x 90 mm
3 x 75 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
32 dB
Noise (Load)
--
52 dB
More information
The graphics processor and graphics memory of the Gainward GeForce RTX 3080 Ti Phoenix are cooled with a Air cooling.
The Sapphire Radeon VII is cooled by a Air cooling.
Connectivity
Connectivity
Gainward GeForce RTX 3080 Ti Phoenix
Sapphire Radeon VII
Max. Displays
4
4
HDCP
2.3
2.2
HDMI
1x HDMI 2.1
1x HDMI 2.0b
DisplayPort
3x DP 1.4a
3x DP 1.4a
More information
The Gainward GeForce RTX 3080 Ti Phoenix supports the downward compatible copy protection HDCP in version 2.3.
The Sapphire Radeon VII supports HDCP in version 2.2 and all previous versions.
Featureset
Featureset
Gainward GeForce RTX 3080 Ti Phoenix
Sapphire Radeon VII
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_1
Raytracing
Yes
No
DLSS / FSR
Yes
Yes
LED
Addressable LED
Non addressable LED
More information
The Gainward GeForce RTX 3080 Ti Phoenix supports the DirectX standard from Microsoft in version 12_2 (Ultimate).
The Sapphire Radeon VII supports Microsoft's DirectX version 12_1.
Supported Video Codecs
Supported Video Codecs
Gainward GeForce RTX 3080 Ti Phoenix
Sapphire Radeon VII
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode
VP9
Decode
Decode / Encode
AV1
Decode
No
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
Gainward GeForce RTX 3080 Ti Phoenix
Sapphire Radeon VII
Length
294 mm
268 mm
Height
112 mm
120 mm
Width
56 mm
42 mm
Width (Slots)
3 Slots
2 Slots
Weight
--
1,280 g
SFF-Ready
No
No
More information
The Gainward GeForce RTX 3080 Ti Phoenix is 56 mm wide and therefore needs the space of 2 PCIe-Slots in the case.
The width of the Sapphire Radeon VII is 56 mm and thus requires the space of 2 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.
Time Spy Extreme Graphics score Gainward GeForce RTX 3080 Ti Phoenix +122.7 %
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) Gainward GeForce RTX 3080 Ti Phoenix +160.9 %
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