PowerColor Radeon RX 6600 XT Hellhound vs AMD Radeon VII
PowerColor Radeon RX 6600 XT Hellhound
$379
AMD Radeon VII
$699
|
2048 Shaders
8GB GDDR6
2593MHz
|
3840 Shaders
16GB HBM2
1800MHz
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|
Peak AI Performance
21.24 TFLOPS
FP16
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Peak AI Performance
27.65 TFLOPS
FP16
|
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FP32
10.62 TFLOPS
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FP32
13.82 TFLOPS
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FP16
21.24 TFLOPS
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FP16
27.65 TFLOPS
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Form Factor
PCIe Card
2.2-Slots
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Form Factor
PCIe Card
2.0-Slots
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TDP
160W
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TDP
300W
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Power Connectors
-
1x 8-Pin
-
-
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Power Connectors
-
2x 8-Pin
-
-
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GB6 OpenCL N/A
0%
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GB6 Metal N/A
0%
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GB6 Metal 74,340
30%
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GB6 Vulkan N/A
0%
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GB5 OpenCL 92,545
30%
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GB5 OpenCL N/A
0%
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GB5 CUDA N/A
0%
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GB5 CUDA N/A
0%
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GB5 Metal N/A
0%
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GB5 Metal N/A
0%
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GB5 Vulkan 66,040
32%
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GB5 Vulkan N/A
0%
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OCT 2020.1 N/A
0%
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OCT 2020.1 N/A
0%
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OCT Metal 215
37%
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OCT Metal N/A
0%
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Peak AI
Performance
21.24 TFLOPS
FP16
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Peak AI
Performance
27.65 TFLOPS
FP16
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FP16
21.24 TFLOPS
-
-
-
-
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FP16
27.65 TFLOPS
-
-
-
-
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FP32
10.62 TFLOPS
-
-
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FP32
13.82 TFLOPS
-
-
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FP64
660 GFLOPS
-
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FP64
3.46 TFLOPS
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-
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Pixel
Fillrate
165.952 GPixel/s
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Pixel
Fillrate
115.2 GPixel/s
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-
-
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-
-
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Texture
Fillrate
331.904 GTexel/s
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Texture
Fillrate
432 GTexel/s
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Manufacturer
PowerColor
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Manufacturer
AMD
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Chip Designer
AMD
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Chip Designer
AMD
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Architecture
RDNA 2
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Architecture
GCN 5
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Family
Radeon RX 6000
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Family
Radeon RX Vega
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Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 XT
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Codename
Moonshot
Vega 20
Variant
Vega 20 XT
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
8/11/2021
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Release Date
2/7/2019
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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
N7
-
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Fabrication Node
N7
-
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Die Size
237 mm²
-
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Die Size
331 mm²
-
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Transistor Count
11.1 Billion
-
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Transistor Count
13.2 Billion
-
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Transistor Density
46.67M/mm²
-
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Transistor Density
39.97M/mm²
-
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Form
PCIe Card
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Form
PCIe Card
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Shading Units
2048 Shaders
-
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Shading Units
3840 Shaders
-
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Texture Mapping Units
128 TMUs
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Texture Mapping Units
240 TMUs
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Render Output Units
64 ROPs
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Render Output Units
64 ROPs
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-
-
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-
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Ray-Tracing Cores
32 RT-Cores
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-
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-
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-
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Compute Units
32 CUs
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Compute Units
60 CUs
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-
-
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-
-
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Graphics Processing Clusters
1 GPC
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-
-
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2188MHz Base
2593MHz
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-
-
1400MHz Base
1800MHz
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L0
32KB/WGP
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-
-
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L1
-
-
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128KB/Array
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L1
-
-
16KB/CU
-
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L2
2MB Shared
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L2
4MB Shared
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L3
32MB Shared
0.83TB/s
|
-
-
-
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8GB
GDDR6
-
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16GB
HBM2
-
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Bus Width
128Bit
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Bus Width
4096Bit
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Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
256GB/s
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Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
1024GB/s
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TDP
160W
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TDP
300W
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Temp
110°C Max
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-
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3x DisplayPort 1.4
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1x HDMI 2.1
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-
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3x DisplayPort 1.4
-
-
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1x HDMI 2.0
-
-
-
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Max Resolution
7680x4320
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Max Resolution
7680x4320
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Max Resolution Refresh Rate
120Hz
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
FreeSync
-
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Variable Refresh Rate
-
FreeSync
-
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Display Stream Compression (DSC)
Supported
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
4
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Multi Monitor Support
3
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Content Protection
HDCP 2.3
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Content Protection
HDCP 2.2
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Model
VCN 3.0
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Model
VCE 4.1
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Codec
-
-
-
-
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AVC (H.264)
HEVC (H.265)
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-
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-
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Codec
-
-
-
-
-
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AVC (H.264)
HEVC (H.265)
-
-
-
-
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Model
VCN 3.0
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Model
UVD 7.2
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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
JPEG
VC-1
-
-
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AVC (H.264)
HEVC (H.265)
-
-
-
-
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Direct X
12
Direct 3D
12_2
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Direct X
12
Direct 3D
12_1
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
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Shader Model
6.5
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GFX
10.3
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-
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Shader Model
6.7
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GFX
9
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2x Fans
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-
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3x Fans
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Power Connectors
-
-
-
1x 8-Pin
-
-
-
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Power Connectors
-
-
-
2x 8-Pin
-
-
-
|
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Slots Required
2.2
PCIe Version
4.0
PCIe Lanes
8
|
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
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Multi GPU Support
Supported
Type
Bridgeless
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Multi GPU Support
Supported
Type
CrossFire XDMA
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Height
132 mm (5.2 in)
Width
220 mm (8.66 in)
Depth
45 mm (1.77 in)
|
Height
125 mm (4.92 in)
Width
280 mm (11.02 in)
Depth
40 mm (1.57 in)
|
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