AMD Radeon RX 6950 XT vs AMD Radeon RX 550X 8CU

AMD Radeon RX 6950 XT $1,099
AMD Radeon RX 550X 8CU $79
5120 Shaders
16GB GDDR6
2324MHz
512 Shaders
2GB GDDR5
1287MHz
FP32
23.8 TFLOPS
FP32
1.32 TFLOPS
FP16
47.6 TFLOPS
FP16
1.32 TFLOPS
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
335W
TDP
50W
Power Connectors
-
2x 8-Pin
-
-
-
-
-
-
-
GB5 OpenCL 170,545
56%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal 167,895
93%
GB5 Metal - N/A
0%
GB5 Vulkan 117,795
57%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal 345
59%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
GCN 4
Family
Radeon RX 6000
Family
Radeon RX 500
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 KXTX
Codename
Lexa
Polaris 12
Variant
Polaris 12 XL
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/10/2022
Release Date
4/11/2018
Foundry
TSMC
-
Foundry
GlobalFoundries
-
Fabrication Node
N7
-
Fabrication Node
14LPP
-
Die Size
520 mm²
-
Die Size
103 mm²
-
Transistor Count
26.8 Billion
-
Transistor Count
2.2 Billion
-
Transistor Density
51.56M/mm²
-
Transistor Density
21.36M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
5120 Shaders
-
Shading Units
512 Shaders
-
Texture Mapping Units
320 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
128 ROPs
Render Output Units
16 ROPs
-
-
-
-
Ray-Tracing Cores
80 RT-Cores
-
-
-
-
-
-
Compute Units
80 CUs
Compute Units
8 CUs
-
-
-
-
Graphics Processing Clusters
4 GPCs
-
-
-
-
1925MHz Base
2324MHz
-
-
1100MHz Base
1287MHz
-
-
-
-
-
-
-
-
-
-
FP16
47.6 TFLOPS
-
FP16
1.32 TFLOPS
-
-
-
-
-
-
-
FP32
23.8 TFLOPS
FP32
1.32 TFLOPS
-
-
-
-
FP64
1.49 TFLOPS
-
FP64
0.08 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
297.472 GPixel/s
Pixel Fillrate
20.592 GPixel/s
-
-
-
-
Texture Fillrate
743.68 GTexel/s
Texture Fillrate
41.184 GTexel/s
L0
32KB/WGP
-
-
L1
-
-
-
128KB/Array
L1
-
-
16KB/CU
-
L2
4MB Shared
L2
512KB 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
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
335W
TDP
50W
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
Max Resolution
7680x4320
Max Resolution
5120x2880
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 2.2
Model
VCN 3.0
Model
VCE 3.4
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 3.0
Model
UVD 6.3
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
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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
1.3
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
Shader Model
6.7
-
-
GFX
8
-
-
-
-
-
-
-
3x Fans
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
-
-
-
-
-
-
-
-
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
Multi GPU Support
Supported
Type
Bridgeless
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
120 mm (4.72 in)
Width
267 mm (10.51 in)
Depth
50 mm (1.97 in)
Height
110 mm (4.33 in)
Width
145 mm (5.71 in)
Depth
37 mm (1.46 in)
Change Comparison