PowerColor Radeon RX 6900 XT Red Devil vs Sapphire Radeon RX 6900 XT Nitro+
PowerColor Radeon RX 6900 XT Red Devil
$999
Sapphire Radeon RX 6900 XT Nitro+
$820
|
5120 Shaders
16GB GDDR6
2340MHz
|
5120 Shaders
16GB GDDR6
2285MHz
|
|
Peak AI Performance
47.92 TFLOPS
FP16
|
Peak AI Performance
46.8 TFLOPS
FP16
|
|
FP32
23.96 TFLOPS
|
FP32
23.4 TFLOPS
|
|
FP16
47.92 TFLOPS
|
FP16
46.8 TFLOPS
|
|
Form Factor
PCIe Card
3.1-Slots
|
Form Factor
PCIe Card
2.7-Slots
|
|
TDP
390W
|
TDP
340W
|
|
Power Connectors
3x 8-Pin
|
Power Connectors
2x 8-Pin
|
Peak AI Performance
|
|
Radeon RX 6900 XT Red Devil - 47.92 TFLOPS FP16
x1.02
Radeon RX 6900 XT Nitro+ - 46.8 TFLOPS FP16
x1
FP32
|
|
Radeon RX 6900 XT Red Devil - 23.96 TFLOPS FP32
x1.02
Radeon RX 6900 XT Nitro+ - 23.4 TFLOPS FP32
x1
FP16
|
|
Radeon RX 6900 XT Red Devil - 47.92 TFLOPS FP16
x1.02
Radeon RX 6900 XT Nitro+ - 46.8 TFLOPS FP16
x1
|
|
Radeon RX 6900 XT Red Devil - 512GB/s
x1
Radeon RX 6900 XT Nitro+ - 512GB/s
x1
|
|
Radeon RX 6900 XT Red Devil - 390W
x1.15
Radeon RX 6900 XT Nitro+ - 340W
x1
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
GB5 OpenCL 171,720
56%
|
GB5 OpenCL 167,685
55%
|
|
0%
|
0%
|
|
GB5 Metal 169,050
94%
|
GB5 Metal 165,075
92%
|
|
GB5 Vulkan 118,605
58%
|
GB5 Vulkan 115,815
56%
|
|
0%
|
0%
|
|
OCT Metal 405
68%
|
OCT Metal 395
67%
|
|
Manufacturer
PowerColor
|
Manufacturer
Sapphire
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 2
|
Architecture
RDNA 2
|
|
Family
Radeon RX 6000
|
Family
Radeon RX 6000
|
|
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
|
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
12/8/2020
|
Release Date
12/8/2020
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
N7
|
Fabrication Node
N7
|
|
Die Size
520 mm²
|
Die Size
520 mm²
|
|
Transistor Count
26.8 Billion
|
Transistor Count
26.8 Billion
|
|
Transistor Density
51.56M/mm²
|
Transistor Density
51.56M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
5120 Shaders
|
Shading Units
5120 Shaders
|
|
Texture Mapping Units
320 TMUs
|
Texture Mapping Units
320 TMUs
|
|
Render Output Units
128 ROPs
|
Render Output Units
128 ROPs
|
|
Ray-Tracing Cores
80 RT-Cores
|
Ray-Tracing Cores
80 RT-Cores
|
|
Compute Units
80 CUs
|
Compute Units
80 CUs
|
|
Graphics Processing Clusters
4 GPCs
|
Graphics Processing Clusters
4 GPCs
|
|
1825MHz Base
2340MHz
|
1825MHz Base
2285MHz
|
|
Peak AI Performance
47.92 TFLOPS
FP16
|
Peak AI Performance
46.8 TFLOPS
FP16
|
|
FP16
47.92 TFLOPS
|
FP16
46.8 TFLOPS
|
|
FP32
23.96 TFLOPS
|
FP32
23.4 TFLOPS
|
|
FP64
1.5 TFLOPS
|
FP64
1.46 TFLOPS
|
|
Pixel Fillrate
299.52 GPixel/s
|
Pixel Fillrate
292.48 GPixel/s
|
|
Texture Fillrate
748.8 GTexel/s
|
Texture Fillrate
731.2 GTexel/s
|
|
L0
32KB/WGP
|
L0
32KB/WGP
|
|
L1
128KB/Array
|
L1
128KB/Array
|
|
L2
4MB Shared
|
L2
4MB Shared
|
|
L3
128MB Shared
1.66TB/s
|
L3
128MB Shared
1.66TB/s
|
|
16GB
GDDR6
|
16GB
GDDR6
|
|
Bus Width
256Bit
|
Bus Width
256Bit
|
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
|
|
TDP
390W
|
TDP
340W
|
|
Temp
110°C Max
|
Temp
110°C Max
|
|
3x DisplayPort 1.4
1x HDMI 2.1
|
3x DisplayPort 1.4
1x HDMI 2.1
|
|
Max Resolution
7680x4320
|
Max Resolution
7680x4320
|
|
Max Resolution Refresh Rate
120Hz
|
Max Resolution Refresh Rate
120Hz
|
|
Variable Refresh Rate
FreeSync
|
Variable Refresh Rate
FreeSync
|
|
Display Stream Compression (DSC)
Supported
|
Display Stream Compression (DSC)
Supported
|
|
Multi Monitor Support
4
|
Multi Monitor Support
4
|
|
Content Protection
HDCP 2.3
|
Content Protection
HDCP 2.3
|
|
Model
VCN 3.0
|
Model
VCN 3.0
|
|
Codec
AVC (H.264)
HEVC (H.265)
|
Codec
AVC (H.264)
HEVC (H.265)
|
|
Model
VCN 3.0
|
Model
VCN 3.0
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
VP9
AVC (H.264)
HEVC (H.265)
AV1
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
VP9
AVC (H.264)
HEVC (H.265)
AV1
|
|
Direct X
12
Direct 3D
12_2
|
Direct X
12
Direct 3D
12_2
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
|
Shader Model
6.5
GFX
10.3
|
Shader Model
6.5
GFX
10.3
|
|
3x Fans
|
3x Fans
|
|
Power Connectors
3x 8-Pin
|
Power Connectors
2x 8-Pin
|
|
Slots Required
3.1
PCIe Version
4.0
PCIe Lanes
16
|
Slots Required
2.7
PCIe Version
4.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
Bridgeless
|
Multi GPU Support
Supported
Type
Bridgeless
|
|
Height
135 mm (5.31 in)
Width
320 mm (12.6 in)
Depth
62 mm (2.44 in)
|
Height
134.3 mm (5.29 in)
Width
310 mm (12.2 in)
Depth
55.3 mm (2.18 in)
|
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