ASRock Radeon RX 6950 XT OC Formula vs AMD Radeon RX 455
ASRock Radeon RX 6950 XT OC Formula
$870
AMD Radeon RX 455
|
5120 Shaders
16GB GDDR6
2495MHz
|
768 Shaders
2GB GDDR5
1050MHz
|
|
FP32
25.55 TFLOPS
|
FP32
1.61 TFLOPS
|
|
FP16
51.1 TFLOPS
|
-
-
|
|
Form Factor
PCIe Card
3.0-Slots
|
Form Factor
PCIe Card
-
|
|
TDP
335W
|
TDP
100W
|
|
Power Connectors
-
3x 8-Pin
-
-
|
Power Connectors
1x 6-Pin
-
-
-
|
|
GB5 OpenCL 183,095
60%
|
GB5 OpenCL - N/A
0%
|
|
GB5 CUDA - N/A
0%
|
GB5 CUDA - N/A
0%
|
|
GB5 Metal 180,250
100%
|
GB5 Metal - N/A
0%
|
|
GB5 Vulkan 126,460
62%
|
GB5 Vulkan - N/A
0%
|
|
OCT 2020.1 - N/A
0%
|
OCT 2020.1 - N/A
0%
|
|
OCT Metal 325
55%
|
OCT Metal - N/A
0%
|
|
Manufacturer
ASRock
|
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 KXTX
|
Codename
Bonaire
-
Variant
Tobago Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
5/10/2022
|
Release Date
6/30/2016
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
N7
-
|
Fabrication Node
28nm
-
|
|
Die Size
520 mm²
-
|
Die Size
160 mm²
-
|
|
Transistor Count
26.8 Billion
-
|
Transistor Count
2.1 Billion
-
|
|
Transistor Density
51.56M/mm²
-
|
Transistor Density
13.00M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
5120 Shaders
-
|
Shading Units
768 Shaders
-
|
|
Texture Mapping Units
320 TMUs
|
Texture Mapping Units
48 TMUs
|
|
Render Output Units
128 ROPs
|
Render Output Units
16 ROPs
|
|
-
-
|
-
-
|
|
Ray-Tracing Cores
80 RT-Cores
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
80 CUs
|
Compute Units
12 CUs
|
|
-
-
|
-
-
|
|
Graphics Processing Clusters
4 GPCs
|
-
-
|
|
-
-
1925MHz Base
2495MHz
|
-
-
-
1050MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
FP16
51.1 TFLOPS
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
25.55 TFLOPS
|
FP32
1.61 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
1.6 TFLOPS
-
|
FP64
0.1 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
319.36 GPixel/s
|
Pixel Fillrate
16.8 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
798.4 GTexel/s
|
Texture Fillrate
50.4 GTexel/s
|
|
L0
32KB/WGP
|
-
-
|
|
L1
-
-
-
128KB/Array
|
L1
-
-
16KB/CU
-
|
|
L2
4MB Shared
|
L2
256KB Shared
|
|
L3
128MB Shared
1.66TB/s
|
-
-
-
|
|
16GB
GDDR6
-
|
2GB
GDDR5
-
|
|
Bus Width
256Bit
|
Bus Width
128Bit
|
|
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
576GB/s
|
Clock
1625MHz
Transfer Rate
6.5GT/s
Bandwidth
104GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
335W
|
TDP
100W
|
|
Temp
110°C Max
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
|
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.4
-
-
-
-
|
|
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
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Model
VCN 3.0
|
Model
UVD 4.2
|
|
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
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
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
-
-
GFX
10.3
-
-
-
-
|
Shader Model
6.5
-
-
GFX
7
-
-
-
-
|
|
-
-
-
3x Fans
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
-
3x 8-Pin
-
-
-
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
|
Slots Required
3.0
PCIe Version
4.0
PCIe Lanes
16
|
-
-
PCIe Version
3.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
Bridgeless
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
|
Height
137 mm (5.39 in)
Width
332 mm (13.07 in)
Depth
61 mm (2.4 in)
|
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