The Gainward GeForce RTX 5080 Phantom GS has 10752 shader units and these clock at a maximum of 2.73 GHz and achieve an FP32 computing power of 58.71 TFLOPS.
Quick comparison
In FP32 performance, the Gainward GeForce RTX 5080 Phantom GS is 92 % faster than the NVIDIA GeForce RTX 3080 12GB.
The NVIDIA GeForce RTX 3080 12GB is equipped with a graphics chip of the Ampere architecture, which has 70 streaming multiprocessors.
The graphics card Gainward GeForce RTX 5080 Phantom GS is based on the Blackwell architecture and is equipped with 84 execution units.
Memory
Memory
NVIDIA GeForce RTX 3080 12GB
Gainward GeForce RTX 5080 Phantom GS
Memory Size
12 GB
16 GB
Memory Type
GDDR6X
GDDR7
Memory Clock
1.188 GHz
1.875 GHz
Memory Speed
19.0 Gbps
30.0 Gbps
Memory bandwidth
912 GB/s
960 GB/s
Memory Interface
384 bit
256 bit
More information
The NVIDIA GeForce RTX 3080 12GB is equipped with a 12 GB large GDDR6X graphics memory, which is equipped with 1.188 GHz clocks.
The Gainward GeForce RTX 5080 Phantom GS has a 16 GB large GDDR7 graphics memory and the memory clock is 1.875GHz.
Clock Speeds
Clock Speeds
NVIDIA GeForce RTX 3080 12GB
Gainward GeForce RTX 5080 Phantom GS
Base Clock
1.260 GHz
2.295 GHz
Boost Clock
1.710 GHz
2.730 GHz
Overclocking
Yes
Yes
More information
The NVIDIA GeForce RTX 3080 12GB has a turbo clock of 1.710 GHz. The turbo frequency of the Gainward GeForce RTX 5080 Phantom GS is 2.730 GHz.
Thermal Design
Thermal Design
NVIDIA GeForce RTX 3080 12GB
Gainward GeForce RTX 5080 Phantom GS
TDP
350 W
360 W
Tjunction max
93 °C
88 °C
PCIe-Power
1 x 12-Pin
1 x 16-Pin
More information
The NVIDIA GeForce RTX 3080 12GB has 1 x 12-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 93 °C.
The Gainward GeForce RTX 5080 Phantom GS is equipped with a 1 x 16-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 88 °C.
Cooler & Fans
Cooler & Fans
NVIDIA GeForce RTX 3080 12GB
Gainward GeForce RTX 5080 Phantom GS
Fan-Type
Axial
Axial
Fan 1
3 x 90 mm
3 x 100 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
0 dB
More information
The graphics processor and graphics memory of the NVIDIA GeForce RTX 3080 12GB are cooled with a Air cooling.
The Gainward GeForce RTX 5080 Phantom GS is cooled by a Air cooling.
Connectivity
Connectivity
NVIDIA GeForce RTX 3080 12GB
Gainward GeForce RTX 5080 Phantom GS
Max. Displays
4
4
HDCP
2.3
2.3
HDMI
1x HDMI 2.1
1x HDMI 2.1b
DisplayPort
3x DP 1.4a
3x DP 2.1b
More information
The NVIDIA GeForce RTX 3080 12GB supports the downward compatible copy protection HDCP in version 2.3.
The Gainward GeForce RTX 5080 Phantom GS supports HDCP in version 2.3 and all previous versions.
Featureset
Featureset
NVIDIA GeForce RTX 3080 12GB
Gainward GeForce RTX 5080 Phantom GS
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_2 (Ultimate)
Raytracing
Yes
Yes
DLSS / FSR
Yes
Yes
LED
No LED lighting
Addressable LED
More information
The NVIDIA GeForce RTX 3080 12GB supports the DirectX standard from Microsoft in version 12_2 (Ultimate).
The Gainward GeForce RTX 5080 Phantom GS supports Microsoft's DirectX version 12_2 (Ultimate).
Supported Video Codecs
Supported Video Codecs
NVIDIA GeForce RTX 3080 12GB
Gainward GeForce RTX 5080 Phantom GS
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode / Encode
VP9
Decode
Decode / Encode
AV1
Decode
Decode / Encode
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
NVIDIA GeForce RTX 3080 12GB
Gainward GeForce RTX 5080 Phantom GS
Length
285 mm
332 mm
Height
112 mm
146 mm
Width
--
70 mm
Width (Slots)
2 Slots
4 Slots
SFF-Ready
No
No
More information
The NVIDIA GeForce RTX 3080 12GB is -- wide and therefore needs the space of 4 PCIe-Slots in the case.
The width of the Gainward GeForce RTX 5080 Phantom GS is -- and thus requires the space of 4 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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