The NVIDIA GeForce RTX 3080 12GB is equipped with a graphics chip of the Ampere architecture, which has 70 streaming multiprocessors.
The graphics card GIGABYTE Radeon RX 7900 XT is based on the RDNA 3 architecture and is equipped with 84 execution units.
Memory
Memory
NVIDIA GeForce RTX 3080 12GB
GIGABYTE Radeon RX 7900 XT
Memory Size
12 GB
20 GB
Memory Type
GDDR6X
GDDR6
Memory Clock
1.188 GHz
2.500 GHz
Memory Speed
19.0 Gbps
20.0 Gbps
Memory bandwidth
912 GB/s
800 GB/s
Memory Interface
384 bit
320 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 GIGABYTE Radeon RX 7900 XT has a 20 GB large GDDR6 graphics memory and the memory clock is 2.500GHz.
Clock Speeds
Clock Speeds
NVIDIA GeForce RTX 3080 12GB
GIGABYTE Radeon RX 7900 XT
Base Clock
1.260 GHz
1.500 GHz
Boost Clock
1.710 GHz
2.400 GHz
Avg (Game) Clock
--
2.00 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 GIGABYTE Radeon RX 7900 XT is 2.400 GHz.
Thermal Design
Thermal Design
NVIDIA GeForce RTX 3080 12GB
GIGABYTE Radeon RX 7900 XT
TDP
350 W
300 W
Tjunction max
93 °C
97 °C
PCIe-Power
1 x 12-Pin
2 x 8-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 GIGABYTE Radeon RX 7900 XT is equipped with a 2 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 97 °C.
Cooler & Fans
Cooler & Fans
NVIDIA GeForce RTX 3080 12GB
GIGABYTE Radeon RX 7900 XT
Fan-Type
Axial
Axial
Fan 1
3 x 90 mm
3 x 90 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 GIGABYTE Radeon RX 7900 XT is cooled by a Air cooling.
Connectivity
Connectivity
NVIDIA GeForce RTX 3080 12GB
GIGABYTE Radeon RX 7900 XT
Max. Displays
4
4
HDCP
2.3
2.3
HDMI
1x HDMI 2.1
1x HDMI 2.1
DisplayPort
3x DP 1.4a
2x DP 2.1
USB-C
--
1
More information
The NVIDIA GeForce RTX 3080 12GB supports the downward compatible copy protection HDCP in version 2.3.
The GIGABYTE Radeon RX 7900 XT supports HDCP in version 2.3 and all previous versions.
Featureset
Featureset
NVIDIA GeForce RTX 3080 12GB
GIGABYTE Radeon RX 7900 XT
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_2 (Ultimate)
Raytracing
Yes
Yes
DLSS / FSR
Yes
Yes
LED
No LED lighting
No LED lighting
More information
The NVIDIA GeForce RTX 3080 12GB supports the DirectX standard from Microsoft in version 12_2 (Ultimate).
The GIGABYTE Radeon RX 7900 XT supports Microsoft's DirectX version 12_2 (Ultimate).
Supported Video Codecs
Supported Video Codecs
NVIDIA GeForce RTX 3080 12GB
GIGABYTE Radeon RX 7900 XT
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
GIGABYTE Radeon RX 7900 XT
Length
285 mm
276 mm
Height
112 mm
113 mm
Width
--
51 mm
Width (Slots)
2 Slots
3 Slots
SFF-Ready
No
No
More information
The NVIDIA GeForce RTX 3080 12GB is -- wide and therefore needs the space of 3 PCIe-Slots in the case.
The width of the GIGABYTE Radeon RX 7900 XT is -- 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.
Here you can rate the NVIDIA GeForce RTX 3080 12GB to help other visitors make their purchasing decisions. The average rating is 4.3 stars (9 ratings). Rate now:
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