MSI Radeon RX 6900 XT Gaming Z Trio vs AMD Radeon RX 455

MSI Radeon RX 6900 XT Gaming Z Trio $999
AMD Radeon RX 455
5120 Shaders
16GB GDDR6
2425MHz
768 Shaders
2GB GDDR5
1050MHz
FP32
24.83 TFLOPS
FP32
1.61 TFLOPS
FP16
49.66 TFLOPS
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Form Factor
PCIe Card
2.7-Slots
Form Factor
PCIe Card
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TDP
360W
TDP
100W
Power Connectors
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3x 8-Pin
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Power Connectors
1x 6-Pin
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GB5 OpenCL 177,955
58%
GB5 OpenCL N/A
0%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal 175,190
97%
GB5 Metal N/A
0%
GB5 Vulkan 122,910
60%
GB5 Vulkan N/A
0%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal 420
71%
OCT Metal N/A
0%
Manufacturer
MSI
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
GCN 2
Family
Radeon RX 6000
Family
Radeon R 400
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
Codename
Bonaire
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Variant
Tobago Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
12/8/2020
Release Date
6/30/2016
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
N7
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Fabrication Node
28nm
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Die Size
520 mm²
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Die Size
160 mm²
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Transistor Count
26.8 Billion
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Transistor Count
2.1 Billion
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Transistor Density
51.56M/mm²
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Transistor Density
13.00M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
5120 Shaders
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Shading Units
768 Shaders
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Texture Mapping Units
320 TMUs
Texture Mapping Units
48 TMUs
Render Output Units
128 ROPs
Render Output Units
16 ROPs
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Ray-Tracing Cores
80 RT-Cores
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Compute Units
80 CUs
Compute Units
12 CUs
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Graphics Processing Clusters
4 GPCs
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1825MHz Base
2425MHz
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1050MHz
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FP16
49.66 TFLOPS
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FP32
24.83 TFLOPS
FP32
1.61 TFLOPS
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FP64
1.55 TFLOPS
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FP64
0.1 TFLOPS
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Pixel Fillrate
310.4 GPixel/s
Pixel Fillrate
16.8 GPixel/s
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Texture Fillrate
776 GTexel/s
Texture Fillrate
50.4 GTexel/s
L0
32KB/WGP
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L1
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128KB/Array
L1
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16KB/CU
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L2
4MB Shared
L2
256KB Shared
L3
128MB Shared
1.66TB/s
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16GB
GDDR6
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2GB
GDDR5
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Bus Width
256Bit
Bus Width
128Bit
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
Clock
1625MHz
Transfer Rate
6.5GT/s
Bandwidth
104GB/s
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TDP
360W
TDP
100W
Temp
110°C Max
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3x DisplayPort 1.4
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1x HDMI 2.1
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1x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
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Max Resolution
7680x4320
Max Resolution
4096x2160
Max Resolution Refresh Rate
120Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
4
Multi Monitor Support
3
Content Protection
HDCP 2.3
Content Protection
HDCP 1.4
Model
VCN 3.0
Model
VCE 2.0
Codec
-
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AVC (H.264)
HEVC (H.265)
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Codec
-
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AVC (H.264)
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Model
VCN 3.0
Model
UVD 4.2
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
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VP9
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AVC (H.264)
HEVC (H.265)
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AV1
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
-
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Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
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GFX
10.3
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Shader Model
6.5
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GFX
7
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3x Fans
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1x Fan
Power Connectors
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3x 8-Pin
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Power Connectors
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1x 6-Pin
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Slots Required
2.7
PCIe Version
4.0
PCIe Lanes
16
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PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Bridgeless
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
141 mm (5.55 in)
Width
324 mm (12.76 in)
Depth
55 mm (2.17 in)
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Change Comparison