AMD Radeon RX 6650 XT vs AMD Radeon RX Vega 56

AMD Radeon RX 6650 XT $399
AMD Radeon RX Vega 56 $399
2048 Shaders
8GB GDDR6
2635MHz
3584 Shaders
8GB HBM2
1471MHz
FP32
10.79 TFLOPS
FP32
10.54 TFLOPS
FP16
21.59 TFLOPS
FP16
21.09 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
180W
TDP
210W
Power Connectors
-
1x 8-Pin
-
-
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL 93,210
31%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan 66,515
32%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal 190
32%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
GCN 5
Family
Radeon RX 6000
Family
Radeon RX Vega
Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 KXT
Codename
Greenland
Vega 10
Variant
Vega 10 XL
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/10/2022
Release Date
8/28/2017
Foundry
TSMC
-
Foundry
GlobalFoundries
-
Fabrication Node
N7
-
Fabrication Node
14LPP
-
Die Size
237 mm²
-
Die Size
486 mm²
-
Transistor Count
11.1 Billion
-
Transistor Count
12.5 Billion
-
Transistor Density
46.67M/mm²
-
Transistor Density
25.72M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
-
Shading Units
3584 Shaders
-
Texture Mapping Units
128 TMUs
Texture Mapping Units
224 TMUs
Render Output Units
64 ROPs
Render Output Units
64 ROPs
-
-
-
-
Ray-Tracing Cores
32 RT-Cores
-
-
-
-
-
-
Compute Units
32 CUs
Compute Units
56 CUs
-
-
-
-
Graphics Processing Clusters
1 GPC
-
-
-
-
2055MHz Base
2635MHz
-
-
1156MHz Base
1471MHz
-
-
-
-
-
-
-
-
-
-
FP16
21.59 TFLOPS
-
FP16
21.09 TFLOPS
-
-
-
-
-
-
-
FP32
10.79 TFLOPS
FP32
10.54 TFLOPS
-
-
-
-
FP64
0.68 TFLOPS
-
FP64
0.66 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
168.64 GPixel/s
Pixel Fillrate
94.144 GPixel/s
-
-
-
-
Texture Fillrate
337.28 GTexel/s
Texture Fillrate
329.504 GTexel/s
L0
32KB/WGP
-
-
L1
-
-
-
128KB/Array
L1
-
-
16KB/CU
-
L2
2MB Shared
L2
4MB Shared
L3
32MB Shared
0.83TB/s
-
-
-
8GB
GDDR6
-
8GB
HBM2
-
Bus Width
128Bit
Bus Width
2048Bit
Clock
2190MHz
Transfer Rate
17.5GT/s
Bandwidth
280.3GB/s
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
409.6GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
180W
TDP
210W
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
Max Resolution
7680x4320
Max Resolution
7680x4320
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 4.0
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 3.0
Model
UVD 7.0
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
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_1
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
9
-
-
-
-
-
-
-
2x Fans
-
-
-
1x Fan
Power Connectors
-
-
-
1x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
8
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Bridgeless
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
110 mm (4.33 in)
Width
190 mm (7.48 in)
Depth
40 mm (1.57 in)
Height
111 mm (4.37 in)
Width
280 mm (11.02 in)
Depth
40 mm (1.57 in)
Change Comparison