Radeon RX 6600 XT vs Radeon RX 6650 XT Gaming OC

Radeon RX 6600 XT
Radeon RX 6650 XT Gaming OC $285
2048 Shaders
8GB GDDR6
2589MHz
2048 Shaders
8GB GDDR6
2694MHz
FP32
10.61 TFLOPS
FP32
11.04 TFLOPS
FP16
21.21 TFLOPS
FP16
22.07 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.5-Slots
TDP
160W
TDP
180W
Power Connectors
-
1x 8-Pin
-
-
Power Connectors
-
1x 8-Pin
-
-
GB5 OpenCL 92,405
30%
GB5 OpenCL 94,260
31%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan 65,940
32%
GB5 Vulkan 67,265
33%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal 215
36%
OCT Metal 170
29%
Manufacturer
AMD
Manufacturer
GIGABYTE
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
RDNA 2
Family
Radeon RX 6000
Family
Radeon RX 6000
Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 XT
Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 KXT
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/11/2021
Release Date
5/10/2022
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
N7
-
Fabrication Node
N7
-
Die Size
237 mm²
-
Die Size
237 mm²
-
Transistor Count
11.1 Billion
-
Transistor Count
11.1 Billion
-
Transistor Density
46.67M/mm²
-
Transistor Density
46.67M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
-
Shading Units
2048 Shaders
-
Texture Mapping Units
128 TMUs
Texture Mapping Units
128 TMUs
Render Output Units
64 ROPs
Render Output Units
64 ROPs
-
-
-
-
Ray-Tracing Cores
32 RT-Cores
Ray-Tracing Cores
32 RT-Cores
-
-
-
-
Compute Units
32 CUs
Compute Units
32 CUs
-
-
-
-
Graphics Processing Clusters
1 GPC
Graphics Processing Clusters
1 GPC
-
-
1968MHz Base
2589MHz
-
-
2055MHz Base
2694MHz
-
-
-
-
-
-
-
-
-
-
FP16
21.21 TFLOPS
-
FP16
22.07 TFLOPS
-
-
-
-
-
-
-
FP32
10.61 TFLOPS
FP32
11.04 TFLOPS
-
-
-
-
FP64
0.66 TFLOPS
-
FP64
0.69 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
165.696 GPixel/s
Pixel Fillrate
172.416 GPixel/s
-
-
-
-
Texture Fillrate
331.392 GTexel/s
Texture Fillrate
344.832 GTexel/s
L0
32KB/WGP
L0
32KB/WGP
L1
-
-
-
128KB/Array
L1
-
-
-
128KB/Array
L2
2MB Shared
L2
2MB Shared
L3
32MB Shared
0.83TB/s
L3
32MB Shared
0.83TB/s
8GB
GDDR6
-
8GB
GDDR6
-
Bus Width
128Bit
Bus Width
128Bit
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
256GB/s
Clock
2190MHz
Transfer Rate
17.5GT/s
Bandwidth
280.3GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
160W
TDP
180W
Temp
110°C Max
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
2x 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
-
-
-
-
-
-
-
1x Fan
-
-
-
3x Fans
Power Connectors
-
-
-
1x 8-Pin
-
-
-
Power Connectors
-
-
-
1x 8-Pin
-
-
-
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
8
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
8
Multi GPU Support
Supported
Type
Bridgeless
Multi GPU Support
Supported
Type
Bridgeless
Height
110 mm (4.33 in)
Width
190 mm (7.48 in)
Depth
40 mm (1.57 in)
Height
115 mm (4.53 in)
Width
282 mm (11.1 in)
Depth
50 mm (1.97 in)
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