The Gainward GeForce RTX 4080 Phantom has 9728 shader units and these clock a maximum of 2.51 GHz which results in an FP32 computing power of 48.74 TFLOPS.
The Gainward GeForce RTX 5080 Phantom has 10752 shader units and these clock at a maximum of 2.62 GHz and achieve an FP32 computing power of 56.28 TFLOPS.
Quick comparison
In FP32 performance, the Gainward GeForce RTX 5080 Phantom is 15 % faster than the Gainward GeForce RTX 4080 Phantom.
The Gainward GeForce RTX 4080 Phantom is equipped with a graphics chip of the Ada Lovelace architecture, which has 76 streaming multiprocessors.
The graphics card Gainward GeForce RTX 5080 Phantom is based on the Blackwell architecture and is equipped with 84 execution units.
Memory
Memory
Gainward GeForce RTX 4080 Phantom
Gainward GeForce RTX 5080 Phantom
Memory Size
16 GB
16 GB
Memory Type
GDDR6X
GDDR7
Memory Clock
1.400 GHz
1.875 GHz
Memory Speed
22.4 Gbps
30.0 Gbps
Memory bandwidth
717 GB/s
960 GB/s
Memory Interface
256 bit
256 bit
More information
The Gainward GeForce RTX 4080 Phantom is equipped with a 16 GB large GDDR6X graphics memory, which is equipped with 1.400 GHz clocks.
The Gainward GeForce RTX 5080 Phantom has a 16 GB large GDDR7 graphics memory and the memory clock is 1.875GHz.
Clock Speeds
Clock Speeds
Gainward GeForce RTX 4080 Phantom
Gainward GeForce RTX 5080 Phantom
Base Clock
2.205 GHz
2.295 GHz
Boost Clock
2.505 GHz
2.617 GHz
Overclocking
Yes
Yes
More information
The Gainward GeForce RTX 4080 Phantom has a turbo clock of 2.505 GHz. The turbo frequency of the Gainward GeForce RTX 5080 Phantom is 2.617 GHz.
Thermal Design
Thermal Design
Gainward GeForce RTX 4080 Phantom
Gainward GeForce RTX 5080 Phantom
TDP
320 W
360 W
Tjunction max
90 °C
88 °C
PCIe-Power
1 x 16-Pin
1 x 16-Pin
More information
The Gainward GeForce RTX 4080 Phantom has 1 x 16-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 90 °C.
The Gainward GeForce RTX 5080 Phantom 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
Gainward GeForce RTX 4080 Phantom
Gainward GeForce RTX 5080 Phantom
Fan-Type
Axial
Axial
Fan 1
3 x 100 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 Gainward GeForce RTX 4080 Phantom are cooled with a Air cooling.
The Gainward GeForce RTX 5080 Phantom is cooled by a Air cooling.
Connectivity
Connectivity
Gainward GeForce RTX 4080 Phantom
Gainward GeForce RTX 5080 Phantom
Max. Displays
4
4
HDCP
2.3
2.3
HDMI
1x HDMI 2.1a
1x HDMI 2.1b
DisplayPort
3x DP 1.4a
3x DP 2.1b
More information
The Gainward GeForce RTX 4080 Phantom supports the downward compatible copy protection HDCP in version 2.3.
The Gainward GeForce RTX 5080 Phantom supports HDCP in version 2.3 and all previous versions.
Featureset
Featureset
Gainward GeForce RTX 4080 Phantom
Gainward GeForce RTX 5080 Phantom
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_2 (Ultimate)
Raytracing
Yes
Yes
DLSS / FSR
Yes
Yes
LED
Addressable LED
Addressable LED
More information
The Gainward GeForce RTX 4080 Phantom supports the DirectX standard from Microsoft in version 12_2 (Ultimate).
The Gainward GeForce RTX 5080 Phantom supports Microsoft's DirectX version 12_2 (Ultimate).
Supported Video Codecs
Supported Video Codecs
Gainward GeForce RTX 4080 Phantom
Gainward GeForce RTX 5080 Phantom
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
Gainward GeForce RTX 4080 Phantom
Gainward GeForce RTX 5080 Phantom
Length
329 mm
332 mm
Height
142 mm
146 mm
Width
70 mm
70 mm
Width (Slots)
4 Slots
4 Slots
SFF-Ready
No
No
More information
The Gainward GeForce RTX 4080 Phantom is 70 mm wide and therefore needs the space of 4 PCIe-Slots in the case.
The width of the Gainward GeForce RTX 5080 Phantom is 70 mm 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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