The Gainward GeForce RTX 3080 Phoenix has 8704 shader units and these clock a maximum of 1.71 GHz which results in an FP32 computing power of 29.77 TFLOPS.
The Gainward GeForce RTX 3080 Phoenix is equipped with a graphics chip of the Ampere architecture, which has 68 streaming multiprocessors.
The graphics card KFA2 GeForce GTX 1080 is based on the Pascal architecture and is equipped with 20 execution units.
Memory
Memory
Gainward GeForce RTX 3080 Phoenix
KFA2 GeForce GTX 1080
Memory Size
10 GB
8 GB
Memory Type
GDDR6X
GDDR5X
Memory Clock
1.188 GHz
1.251 GHz
Memory Speed
19.0 Gbps
10.0 Gbps
Memory bandwidth
760 GB/s
320 GB/s
Memory Interface
320 bit
256 bit
More information
The Gainward GeForce RTX 3080 Phoenix is equipped with a 10 GB large GDDR6X graphics memory, which is equipped with 1.188 GHz clocks.
The KFA2 GeForce GTX 1080 has a 8 GB large GDDR5X graphics memory and the memory clock is 1.251GHz.
Clock Speeds
Clock Speeds
Gainward GeForce RTX 3080 Phoenix
KFA2 GeForce GTX 1080
Base Clock
1.440 GHz
1.607 GHz
Boost Clock
1.710 GHz
1.733 GHz
Overclocking
Yes
Yes
More information
The Gainward GeForce RTX 3080 Phoenix has a turbo clock of 1.710 GHz. The turbo frequency of the KFA2 GeForce GTX 1080 is 1.733 GHz.
Thermal Design
Thermal Design
Gainward GeForce RTX 3080 Phoenix
KFA2 GeForce GTX 1080
TDP
320 W
180 W
TDP (up)
370 W
--
Tjunction max
93 °C
94 °C
PCIe-Power
2 x 8-Pin
1 x 6-Pin, 1 x 8-Pin
More information
The Gainward GeForce RTX 3080 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 KFA2 GeForce GTX 1080 is equipped with a 1 x 6-Pin, 1 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 94 °C.
Cooler & Fans
Cooler & Fans
Gainward GeForce RTX 3080 Phoenix
KFA2 GeForce GTX 1080
Fan-Type
Axial
Radial
Fan 1
3 x 90 mm
1 x 70 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
--
Noise (Load)
41-42 dB
--
More information
The graphics processor and graphics memory of the Gainward GeForce RTX 3080 Phoenix are cooled with a Air cooling.
The KFA2 GeForce GTX 1080 is cooled by a Air cooling.
Connectivity
Connectivity
Gainward GeForce RTX 3080 Phoenix
KFA2 GeForce GTX 1080
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 1.4
DVI
--
1
More information
The Gainward GeForce RTX 3080 Phoenix supports the downward compatible copy protection HDCP in version 2.3.
The KFA2 GeForce GTX 1080 supports HDCP in version 2.2 and all previous versions.
Featureset
Featureset
Gainward GeForce RTX 3080 Phoenix
KFA2 GeForce GTX 1080
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_1
Raytracing
Yes
No
DLSS / FSR
Yes
Yes
LED
No LED lighting
No LED lighting
More information
The Gainward GeForce RTX 3080 Phoenix supports the DirectX standard from Microsoft in version 12_2 (Ultimate).
The KFA2 GeForce GTX 1080 supports Microsoft's DirectX version 12_1.
Supported Video Codecs
Supported Video Codecs
Gainward GeForce RTX 3080 Phoenix
KFA2 GeForce GTX 1080
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode
VP9
Decode
Decode
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 Phoenix
KFA2 GeForce GTX 1080
Length
294 mm
281 mm
Height
112 mm
124 mm
Width
--
42 mm
Width (Slots)
3 Slots
2 Slots
SFF-Ready
No
No
More information
The Gainward GeForce RTX 3080 Phoenix is -- wide and therefore needs the space of 2 PCIe-Slots in the case.
The width of the KFA2 GeForce GTX 1080 is -- 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.
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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