Radeon RX 6600 vs Radeon RX 6600 XT Hellhound

Radeon RX 6600
Radeon RX 6600 XT Hellhound
1792 Shaders
8GB GDDR6
2491MHz
2048 Shaders
8GB GDDR6
2593MHz
FP32
8.93 TFLOPS
FP32
10.62 TFLOPS
FP16
17.86 TFLOPS
FP16
21.24 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.2-Slots
TDP
132W
TDP
160W
Power Connectors
-
1x 8-Pin
-
-
Power Connectors
-
1x 8-Pin
-
-
GB5 OpenCL 88,905
29%
GB5 OpenCL 92,545
30%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan 63,440
31%
GB5 Vulkan 66,040
32%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal 180
31%
OCT Metal 215
37%
Manufacturer
AMD
Manufacturer
PowerColor
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 XL
Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/11/2021
Release Date
8/11/2021
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
1792 Shaders
-
Shading Units
2048 Shaders
-
Texture Mapping Units
112 TMUs
Texture Mapping Units
128 TMUs
Render Output Units
64 ROPs
Render Output Units
64 ROPs
-
-
-
-
Ray-Tracing Cores
28 RT-Cores
Ray-Tracing Cores
32 RT-Cores
-
-
-
-
Compute Units
28 CUs
Compute Units
32 CUs
-
-
-
-
Graphics Processing Clusters
1 GPC
Graphics Processing Clusters
1 GPC
-
-
1626MHz Base
2491MHz
-
-
2188MHz Base
2593MHz
-
-
-
-
-
-
-
-
-
-
FP16
17.86 TFLOPS
-
FP16
21.24 TFLOPS
-
-
-
-
-
-
-
FP32
8.93 TFLOPS
FP32
10.62 TFLOPS
-
-
-
-
FP64
0.56 TFLOPS
-
FP64
0.66 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
159.424 GPixel/s
Pixel Fillrate
165.952 GPixel/s
-
-
-
-
Texture Fillrate
278.992 GTexel/s
Texture Fillrate
331.904 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
1750MHz
Transfer Rate
14GT/s
Bandwidth
224GB/s
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
256GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
132W
TDP
160W
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
-
-
-
-
-
-
-
1x Fan
-
-
-
2x Fans
Power Connectors
-
-
-
1x 8-Pin
-
-
-
Power Connectors
-
-
-
1x 8-Pin
-
-
-
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
8
Slots Required
2.2
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
132 mm (5.2 in)
Width
220 mm (8.66 in)
Depth
45 mm (1.77 in)
Change Results