The AMD Radeon Pro W6400 has the Navi 24 graphics chip installed, which is based on the RDNA 2 architecture.
The Sapphire Radeon RX 6800 is based on the graphics chip Navi 21, which comes from the RDNA 2 architecture.
Memory
Memory
AMD Radeon Pro W6400
Sapphire Radeon RX 6800
Memory Size
4 GB
16 GB
Memory Type
GDDR6
GDDR6
Memory Clock
1.750 GHz
2.000 GHz
Memory Speed
14.0 Gbps
16.0 Gbps
Memory bandwidth
112 GB/s
512 GB/s
Memory Interface
64 bit
256 bit
More information
The graphics memory of the AMD Radeon Pro W6400 clocks at 1.750 GHz, which corresponds to a speed of 14.0 Gbps.
The graphics memory speed of the Sapphire Radeon RX 6800 is 16.0 Gbps and the clock speed is 2.000 GHz.
Clock Speeds
Clock Speeds
AMD Radeon Pro W6400
Sapphire Radeon RX 6800
Base Clock
2.331 GHz
1.800 GHz
Boost Clock
2.331 GHz
2.105 GHz
Avg (Game) Clock
--
1.82 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
AMD Radeon Pro W6400
Sapphire Radeon RX 6800
TDP
50 W
250 W
TDP (up)
--
285 W
Tjunction max
98 °C
100 °C
PCIe-Power
--
2 x 8-Pin
More information
The AMD Radeon Pro W6400 is powered by -- connectors. The TDP (Thermal Design Power) of the graphics card is 50 W.
The Sapphire Radeon RX 6800 has 2 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 250 W.
Cooler & Fans
Cooler & Fans
AMD Radeon Pro W6400
Sapphire Radeon RX 6800
Fan-Type
Axial
Axial
Fan 1
1 x 50 mm
3 x 85 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
0 dB
Noise (Load)
--
37 dB
More information
The AMD Radeon Pro W6400 is equipped with a total of 1 Axial main fans.
The Sapphire Radeon RX 6800 has 3 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
AMD Radeon Pro W6400
Sapphire Radeon RX 6800
Max. Displays
4
4
HDCP
2.3
2.3
HDMI
--
1x HDMI 2.1
DisplayPort
2x DP 1.4a
2x DP 1.4a
USB-C
--
1
More information
Up to 4 screens can be operated with the AMD Radeon Pro W6400.
The Sapphire Radeon RX 6800 supports the operation of a maximum of 4 monitors.
Featureset
Featureset
AMD Radeon Pro W6400
Sapphire Radeon RX 6800
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_2 (Ultimate)
Raytracing
Yes
Yes
DLSS / FSR
Yes
Yes
LED
No LED lighting
Non addressable LED
More information
With the AMD Radeon Pro W6400 it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the Sapphire Radeon RX 6800 is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
AMD Radeon Pro W6400
Sapphire Radeon RX 6800
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode / Encode
Decode / Encode
VP9
Decode / Encode
Decode / Encode
AV1
Decode
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
AMD Radeon Pro W6400
Sapphire Radeon RX 6800
Length
168 mm
267 mm
Height
--
120 mm
Width
--
40 mm
Width (Slots)
2 Slots
2 Slots
SFF-Ready
No
No
More information
The AMD Radeon Pro W6400 is connected to the system via PCIe 4.0 x 4 lanes and requires 2 PCIe-Slots space in the housing.
The Sapphire Radeon RX 6800 needs the space of 2 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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