The Sapphire Radeon VII has the Vega 20 XT graphics chip installed, which is based on the GCN 5.1 architecture.
The AMD Radeon RX 6900 XT is based on the graphics chip Navi 21, which comes from the RDNA 2 architecture.
Memory
Memory
Sapphire Radeon VII
AMD Radeon RX 6900 XT
Memory Size
16 GB
16 GB
Memory Type
HBM2
GDDR6
Memory Clock
1.000 GHz
2.000 GHz
Memory Speed
2.0 Gbps
16.0 Gbps
Memory bandwidth
1,024 GB/s
512 GB/s
Memory Interface
4,096 bit
256 bit
More information
The graphics memory of the Sapphire Radeon VII clocks at 1.000 GHz, which corresponds to a speed of 2.0 Gbps.
The graphics memory speed of the AMD Radeon RX 6900 XT is 16.0 Gbps and the clock speed is 2.000 GHz.
Clock Speeds
Clock Speeds
Sapphire Radeon VII
AMD Radeon RX 6900 XT
Base Clock
1.400 GHz
1.825 GHz
Boost Clock
1.750 GHz
2.250 GHz
Avg (Game) Clock
--
2.02 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 Radeon VII
AMD Radeon RX 6900 XT
TDP
300 W
300 W
TDP (up)
--
345 W
Tjunction max
99 °C
100 °C
PCIe-Power
2 x 8-Pin
2 x 8-Pin
More information
The Sapphire Radeon VII is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 300 W.
The AMD Radeon RX 6900 XT has 2 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 300 W.
Cooler & Fans
Cooler & Fans
Sapphire Radeon VII
AMD Radeon RX 6900 XT
Fan-Type
Axial
Axial
Fan 1
3 x 75 mm
3 x 80 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
32 dB
0 dB
Noise (Load)
52 dB
38 dB
More information
The Sapphire Radeon VII is equipped with a total of 3 Axial main fans.
The AMD Radeon RX 6900 XT has 3 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
Sapphire Radeon VII
AMD Radeon RX 6900 XT
Max. Displays
4
4
HDCP
2.2
2.3
HDMI
1x HDMI 2.0b
1x HDMI 2.1
DisplayPort
3x DP 1.4a
2x DP 1.4a
USB-C
--
1
More information
Up to 4 screens can be operated with the Sapphire Radeon VII.
The AMD Radeon RX 6900 XT supports the operation of a maximum of 4 monitors.
Featureset
Featureset
Sapphire Radeon VII
AMD Radeon RX 6900 XT
Max. resolution
7680x4320
7680x4320
DirectX
12_1
12_2 (Ultimate)
Raytracing
No
Yes
DLSS / FSR
Yes
Yes
LED
Non addressable LED
Non addressable LED
More information
With the Sapphire Radeon VII it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the AMD Radeon RX 6900 XT is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
Sapphire Radeon VII
AMD Radeon RX 6900 XT
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode / Encode
VP9
Decode / Encode
Decode / Encode
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 Radeon VII
AMD Radeon RX 6900 XT
Length
268 mm
267 mm
Height
120 mm
120 mm
Width
42 mm
--
Width (Slots)
2 Slots
3 Slots
Weight
1,280 g
1,492 g
SFF-Ready
No
No
More information
The Sapphire Radeon VII is connected to the system via PCIe 3.0 x 16 lanes and requires 2 PCIe-Slots space in the housing.
The AMD Radeon RX 6900 XT needs the space of 3 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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