In the gpu comparison between the Gainward GeForce RTX 3080 Phantom and the Gainward GeForce RTX 3070 Phantom GS, we compare both the technical data and the benchmark results of the two graphics cards.
Quick comparison
In FP32 performance, the Gainward GeForce RTX 3080 Phantom is 43 % faster than the Gainward GeForce RTX 3070 Phantom GS.
The Gainward GeForce RTX 3080 Phantom is based on the NVIDIA GeForce RTX 3080 and has 8704 texture shaders and 68 execution units.
Gainward GeForce RTX 3070 Phantom GS is based on NVIDIA GeForce RTX 3070, which has 5888 shaders and 46 execution units.
Memory
Memory
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3070 Phantom GS
Memory Size
10 GB
8 GB
Memory Type
GDDR6X
GDDR6
Memory Clock
1.188 GHz
1.750 GHz
Memory Speed
19.0 Gbps
14.0 Gbps
Memory bandwidth
760 GB/s
448 GB/s
Memory Interface
320 bit
256 bit
More information
The Gainward GeForce RTX 3080 Phantom has 10 GB of graphics memory of the type GDDR6X and achieves a memory bandwidth of 760 GB/s.
The Gainward GeForce RTX 3070 Phantom GS can access 8 GB GDDR6 graphics memory and thus achieves a memory bandwidth of 448 GB/s.
Clock Speeds
Clock Speeds
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3070 Phantom GS
Base Clock
1.440 GHz
1.500 GHz
Boost Clock
1.755 GHz
1.815 GHz
Overclocking
Yes
Yes
More information
The Gainward GeForce RTX 3080 Phantom clocks in the base with up to 1.440 GHz. The base frequency of the Gainward GeForce RTX 3070 Phantom GS is 1.500 GHz.
Thermal Design
Thermal Design
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3070 Phantom GS
TDP
340 W
270 W
TDP (up)
370 W
--
Tjunction max
93 °C
93 °C
PCIe-Power
3 x 8-Pin
2 x 8-Pin
More information
The TDP (Thermal Design Power) of the Gainward GeForce RTX 3080 Phantom is 340 W. The graphics card is supplied with energy via the 3 x 8-Pin connector.
The Gainward GeForce RTX 3070 Phantom GS has a TDP of 270 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors.
Cooler & Fans
Cooler & Fans
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3070 Phantom GS
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
Noise (Load)
41-43 dB
41-43 dB
More information
The Gainward GeForce RTX 3080 Phantom has a total of 3 Axial fans.
The Gainward GeForce RTX 3070 Phantom GS has 3 Axial fans to cool the GPU and memory.
Connectivity
Connectivity
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3070 Phantom GS
Max. Displays
4
4
HDCP
2.3
2.3
HDMI
1x HDMI 2.1
1x HDMI 2.1
DisplayPort
3x DP 1.4a
3x DP 1.4a
More information
In the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the Gainward GeForce RTX 3080 Phantom.
The Gainward GeForce RTX 3070 Phantom GS supports a maximum of 4 screens.
Featureset
Featureset
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3070 Phantom GS
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 3080 Phantom supports a maximum resolution of 7680x4320 pixels.
The maximum resolution of the Gainward GeForce RTX 3070 Phantom GS is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3070 Phantom GS
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode
VP9
Decode
Decode
AV1
Decode
Decode
More information
The support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos.
Dimensions
Dimensions
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3070 Phantom GS
Length
304 mm
304 mm
Height
136 mm
136 mm
Width (Slots)
3 Slots
3 Slots
SFF-Ready
No
No
More information
The Gainward GeForce RTX 3080 Phantom is 304 mm long, 136 mm high and -- wide.
The Gainward GeForce RTX 3070 Phantom GS is 304 mm long, 136 mm high and -- wide.
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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