The Sapphire Pulse Radeon RX 5700 XT 8G is based on the AMD Radeon RX 5700 XT (RDNA 1) and has 8 GB GDDR6 graphics memory with a bandwidth of 448 GB/s.
The Sapphire Pulse Radeon RX 5700 XT 8G has the Navi 10 XT graphics chip installed, which is based on the RDNA 1 architecture.
The KFA2 GeForce RTX 3090 HOF is based on the graphics chip GA102-300-A1, which comes from the Ampere architecture.
Memory
Memory
Sapphire Pulse Radeon RX 5700 XT 8G
KFA2 GeForce RTX 3090 HOF
Memory Size
8 GB
24 GB
Memory Type
GDDR6
GDDR6X
Memory Clock
1.750 GHz
1.219 GHz
Memory Speed
14.0 Gbps
19.5 Gbps
Memory bandwidth
448 GB/s
936 GB/s
Memory Interface
256 bit
384 bit
More information
The graphics memory of the Sapphire Pulse Radeon RX 5700 XT 8G clocks at 1.750 GHz, which corresponds to a speed of 14.0 Gbps.
The graphics memory speed of the KFA2 GeForce RTX 3090 HOF is 19.5 Gbps and the clock speed is 1.219 GHz.
Clock Speeds
Clock Speeds
Sapphire Pulse Radeon RX 5700 XT 8G
KFA2 GeForce RTX 3090 HOF
Base Clock
1.670 GHz
1.395 GHz
Boost Clock
1.925 GHz
1.815 GHz
Avg (Game) Clock
1.82 GHz
1.80 GHz
Overclocking
Yes
Yes
More information
The clock frequency of a graphics card determines the speed in connection with the graphics architecture.
Thermal Design
Thermal Design
Sapphire Pulse Radeon RX 5700 XT 8G
KFA2 GeForce RTX 3090 HOF
TDP
235 W
420 W
TDP (up)
335 W
--
Tjunction max
99 °C
93 °C
PCIe-Power
1 x 6-Pin, 1 x 8-Pin
3 x 8-Pin
More information
The Sapphire Pulse Radeon RX 5700 XT 8G is powered by 1 x 6-Pin, 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 235 W.
The KFA2 GeForce RTX 3090 HOF has 3 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 420 W.
Cooler & Fans
Cooler & Fans
Sapphire Pulse Radeon RX 5700 XT 8G
KFA2 GeForce RTX 3090 HOF
Fan-Type
Axial
Axial
Fan 1
2 x 100 mm
2 x 102 mm
Fan 2
--
1 x 92 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
0 dB
Noise (Load)
44 dB
--
More information
The Sapphire Pulse Radeon RX 5700 XT 8G is equipped with a total of 2 Axial main fans.
The KFA2 GeForce RTX 3090 HOF has 3 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
Sapphire Pulse Radeon RX 5700 XT 8G
KFA2 GeForce RTX 3090 HOF
Max. Displays
4
4
HDCP
2.3
2.3
HDMI
1x HDMI 2.0b
1x HDMI 2.1
DisplayPort
3x DP 1.4
3x DP 1.4a
More information
Up to 4 screens can be operated with the Sapphire Pulse Radeon RX 5700 XT 8G.
The KFA2 GeForce RTX 3090 HOF supports the operation of a maximum of 4 monitors.
Featureset
Featureset
Sapphire Pulse Radeon RX 5700 XT 8G
KFA2 GeForce RTX 3090 HOF
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_2 (Ultimate)
Raytracing
No
Yes
DLSS / FSR
Yes
Yes
LED
No LED lighting
Addressable LED
More information
With the Sapphire Pulse Radeon RX 5700 XT 8G it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the KFA2 GeForce RTX 3090 HOF is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
Sapphire Pulse Radeon RX 5700 XT 8G
KFA2 GeForce RTX 3090 HOF
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode
VP9
Decode / Encode
Decode
AV1
No
Decode
More information
The support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card.
Dimensions
Dimensions
Sapphire Pulse Radeon RX 5700 XT 8G
KFA2 GeForce RTX 3090 HOF
Length
255 mm
352 mm
Height
135 mm
160 mm
Width
46 mm
68 mm
Width (Slots)
3 Slots
4 Slots
SFF-Ready
No
No
More information
The Sapphire Pulse Radeon RX 5700 XT 8G is connected to the system via PCIe 4.0 x 16 lanes and requires 3 PCIe-Slots space in the housing.
The KFA2 GeForce RTX 3090 HOF needs the space of 4 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface.
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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