XFX Radeon RX 6600 XT Speedster MERC 308 vs AMD Radeon RX 6650 XT
XFX Radeon RX 6600 XT Speedster MERC 308
$379
AMD Radeon RX 6650 XT
$399
|
2048 Shaders
8GB GDDR6
2607MHz
|
2048 Shaders
8GB GDDR6
2635MHz
|
|
Peak AI Performance
21.36 TFLOPS
FP16
|
Peak AI Performance
21.59 TFLOPS
FP16
|
|
FP32
10.68 TFLOPS
|
FP32
10.79 TFLOPS
|
|
FP16
21.36 TFLOPS
|
FP16
21.59 TFLOPS
|
|
Form Factor
PCIe Card
2.5-Slots
|
Form Factor
PCIe Card
2.0-Slots
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|
TDP
160W
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TDP
180W
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Power Connectors
-
1x 8-Pin
-
-
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Power Connectors
-
1x 8-Pin
-
-
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GB6 OpenCL N/A
0%
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|
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GB6 Metal N/A
0%
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GB6 Metal 80,555
32%
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|
GB6 Vulkan N/A
0%
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|
GB5 OpenCL 93,045
30%
|
GB5 OpenCL 93,210
31%
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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 66,395
32%
|
GB5 Vulkan 66,515
32%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal 215
37%
|
OCT Metal 190
32%
|
|
Peak AI
Performance
21.36 TFLOPS
FP16
|
Peak AI
Performance
21.59 TFLOPS
FP16
|
|
-
-
-
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-
-
-
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-
-
-
-
-
-
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-
-
-
-
-
-
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FP16
21.36 TFLOPS
-
-
-
-
|
FP16
21.59 TFLOPS
-
-
-
-
|
|
FP32
10.68 TFLOPS
-
-
|
FP32
10.79 TFLOPS
-
-
|
|
FP64
670 GFLOPS
-
|
FP64
680 GFLOPS
-
|
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-
-
-
-
|
-
-
-
-
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-
-
-
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-
-
-
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-
-
-
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-
-
-
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-
-
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-
-
-
-
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-
-
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-
-
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-
-
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-
-
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Pixel
Fillrate
166.848 GPixel/s
|
Pixel
Fillrate
168.64 GPixel/s
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|
-
-
|
-
-
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Texture
Fillrate
333.696 GTexel/s
|
Texture
Fillrate
337.28 GTexel/s
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Manufacturer
XFX
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Manufacturer
AMD
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|
Chip Designer
AMD
|
Chip Designer
AMD
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Architecture
RDNA 2
|
Architecture
RDNA 2
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Family
Radeon RX 6000
|
Family
Radeon RX 6000
|
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Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 XT
|
Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 KXT
|
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Market Segment
Desktop
|
Market Segment
Desktop
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Release Date
8/11/2021
|
Release Date
5/10/2022
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Foundry
TSMC
-
|
Foundry
TSMC
-
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Fabrication Node
N7
-
|
Fabrication Node
N7
-
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Die Size
237 mm²
-
|
Die Size
237 mm²
-
|
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Transistor Count
11.1 Billion
-
|
Transistor Count
11.1 Billion
-
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Transistor Density
46.67M/mm²
-
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Transistor Density
46.67M/mm²
-
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Form
PCIe Card
|
Form
PCIe Card
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Shading Units
2048 Shaders
-
|
Shading Units
2048 Shaders
-
|
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Texture Mapping Units
128 TMUs
|
Texture Mapping Units
128 TMUs
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Render Output Units
64 ROPs
|
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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Ray-Tracing Cores
32 RT-Cores
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-
-
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-
-
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Compute Units
32 CUs
|
Compute Units
32 CUs
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-
-
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-
-
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Graphics Processing Clusters
1 GPC
|
Graphics Processing Clusters
1 GPC
|
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-
-
2188MHz Base
2607MHz
|
-
-
2055MHz Base
2635MHz
|
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L0
32KB/WGP
|
L0
32KB/WGP
|
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L1
-
-
-
128KB/Array
|
L1
-
-
-
128KB/Array
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L2
2MB Shared
|
L2
2MB Shared
|
|
L3
32MB Shared
0.83TB/s
|
L3
32MB Shared
0.83TB/s
|
|
8GB
GDDR6
-
|
8GB
GDDR6
-
|
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Bus Width
128Bit
|
Bus Width
128Bit
|
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Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
256GB/s
|
Clock
2190MHz
Transfer Rate
17.5GT/s
Bandwidth
280.3GB/s
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-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
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TDP
160W
|
TDP
180W
|
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Temp
110°C Max
|
Temp
110°C Max
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
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1x HDMI 2.1
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
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Max Resolution
7680x4320
|
Max Resolution
7680x4320
|
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Max Resolution Refresh Rate
120Hz
|
Max Resolution Refresh Rate
120Hz
|
|
Variable Refresh Rate
-
FreeSync
-
|
Variable Refresh Rate
-
FreeSync
-
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Display Stream Compression (DSC)
Supported
|
Display Stream Compression (DSC)
Supported
|
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Multi Monitor Support
4
|
Multi Monitor Support
4
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Content Protection
HDCP 2.3
|
Content Protection
HDCP 2.3
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Model
VCN 3.0
|
Model
VCN 3.0
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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Model
VCN 3.0
|
Model
VCN 3.0
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Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
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Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
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Direct X
12
Direct 3D
12_2
|
Direct X
12
Direct 3D
12_2
|
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
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Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
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Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
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-
-
-
3x Fans
|
-
-
-
2x Fans
|
|
Power Connectors
-
-
-
1x 8-Pin
-
-
-
|
Power Connectors
-
-
-
1x 8-Pin
-
-
-
|
|
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
8
|
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
8
|
|
Multi GPU Support
Supported
Type
Bridgeless
|
Multi GPU Support
Supported
Type
Bridgeless
|
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Height
114 mm (4.49 in)
Width
274 mm (10.79 in)
Depth
50 mm (1.97 in)
|
Height
110 mm (4.33 in)
Width
190 mm (7.48 in)
Depth
40 mm (1.57 in)
|
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