AMD Radeon RX 6400 vs AMD Radeon RX Vega 64 Limited

AMD Radeon RX 6400 $149
AMD Radeon RX Vega 64 Limited $499
768 Shaders
4GB GDDR6
2321MHz
4096 Shaders
8GB HBM2
1546MHz
FP32
3.57 TFLOPS
FP32
12.66 TFLOPS
FP16
7.13 TFLOPS
FP16
25.33 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
53W
TDP
295W
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-
-
-
-
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL 32,985
11%
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 24,940
12%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal 45
8%
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
Beige Goby
Navi 24
Variant
Navi 24 XL
Codename
Greenland
Vega 10
Variant
Vega 10 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/20/2022
Release Date
8/7/2017
Foundry
TSMC
-
Foundry
GlobalFoundries
-
Fabrication Node
N6
-
Fabrication Node
14LPP
-
Die Size
107 mm²
-
Die Size
486 mm²
-
Transistor Count
5.4 Billion
-
Transistor Count
12.5 Billion
-
Transistor Density
50.47M/mm²
-
Transistor Density
25.72M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
768 Shaders
-
Shading Units
4096 Shaders
-
Texture Mapping Units
48 TMUs
Texture Mapping Units
256 TMUs
Render Output Units
32 ROPs
Render Output Units
64 ROPs
-
-
-
-
Ray-Tracing Cores
12 RT-Cores
-
-
-
-
-
-
Compute Units
12 CUs
Compute Units
64 CUs
-
-
-
-
Graphics Processing Clusters
1 GPC
-
-
-
-
2039MHz Base
2321MHz
-
-
1247MHz Base
1546MHz
-
-
-
-
-
-
-
-
-
-
FP16
7.13 TFLOPS
-
FP16
25.33 TFLOPS
-
-
-
-
-
-
-
FP32
3.57 TFLOPS
FP32
12.66 TFLOPS
-
-
-
-
FP64
0.22 TFLOPS
-
FP64
0.79 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
74.272 GPixel/s
Pixel Fillrate
98.944 GPixel/s
-
-
-
-
Texture Fillrate
111.408 GTexel/s
Texture Fillrate
395.776 GTexel/s
L0
32KB/WGP
-
-
L1
-
-
-
128KB/Array
L1
-
-
16KB/CU
-
L2
1MB Shared
L2
4MB Shared
L3
8MB Shared
0.21TB/s
-
-
-
4GB
GDDR6
-
8GB
HBM2
-
Bus Width
64Bit
Bus Width
2048Bit
Clock
1750MHz
Transfer Rate
14GT/s
Bandwidth
112GB/s
Clock
945MHz
Transfer Rate
1.9GT/s
Bandwidth
483.8GB/s
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-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
TDP
53W
TDP
295W
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x 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
2
Multi Monitor Support
3
Content Protection
HDCP 2.3
Content Protection
HDCP 2.2
No Encoders
-
Model
VCE 4.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
2.2
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
Shader Model
6.6
-
-
GFX
10.3
-
-
-
-
Shader Model
6.7
-
-
GFX
9
-
-
-
-
-
-
-
1x Fan
-
-
-
1x Fan
-
-
-
-
-
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
4
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
272 mm (10.71 in)
Depth
40 mm (1.57 in)
Change Comparison