AMD Radeon RX 7900 XT vs AMD Radeon RX Vega 56

AMD Radeon RX 7900 XT $899
AMD Radeon RX Vega 56 $399
5376 Shaders
20GB GDDR6
2400MHz
3584 Shaders
8GB HBM2
1471MHz
FP32
51.61 TFLOPS
FP32
10.54 TFLOPS
FP16
103.22 TFLOPS
FP16
21.09 TFLOPS
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
315W
TDP
210W
Power Connectors
-
2x 8-Pin
-
-
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL - N/A
0%
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 - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 3
Architecture
GCN 5
Family
Radeon RX 7000
Family
Radeon RX Vega
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XT
Codename
Greenland
Vega 10
Variant
Vega 10 XL
Market Segment
Desktop
Market Segment
Desktop
Release Date
12/13/2022
Release Date
8/28/2017
Foundry
TSMC
TSMC Memory Cache Die
Foundry
GlobalFoundries
-
Fabrication Node
N5
N6 Memory Cache Die
Fabrication Node
14LPP
-
Die Size
304 mm²
6x 38 mm² Memory Cache Die
Die Size
486 mm²
-
Transistor Count
45.4 Billion
6x 2.1 Billion Memory Cache Die
Transistor Count
12.5 Billion
-
Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
Transistor Density
25.72M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
5376 Shaders
-
Shading Units
3584 Shaders
-
Texture Mapping Units
336 TMUs
Texture Mapping Units
224 TMUs
Render Output Units
192 ROPs
Render Output Units
64 ROPs
Tensor Cores
168 T-Cores
-
-
Ray-Tracing Cores
84 RT-Cores
-
-
-
-
-
-
Compute Units
84 CUs
Compute Units
56 CUs
-
-
-
-
-
-
-
-
-
-
1500MHz Base
2400MHz
-
-
1156MHz Base
1471MHz
-
-
-
-
-
-
-
-
-
-
FP16
103.22 TFLOPS
-
FP16
21.09 TFLOPS
-
-
-
-
-
-
-
FP32
51.61 TFLOPS
FP32
10.54 TFLOPS
-
-
-
-
FP64
1.61 TFLOPS
-
FP64
0.66 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
460.8 GPixel/s
Pixel Fillrate
94.144 GPixel/s
-
-
-
-
Texture Fillrate
806.4 GTexel/s
Texture Fillrate
329.504 GTexel/s
L0
64KB/WGP
-
-
L1
-
-
-
256KB/Array
L1
-
-
16KB/CU
-
L2
6MB Shared
L2
4MB Shared
L3
80MB Shared
2.9TB/s
-
-
-
20GB
GDDR6
-
8GB
HBM2
-
Bus Width
320Bit
Bus Width
2048Bit
Clock
2500MHz
Transfer Rate
20GT/s
Bandwidth
800GB/s
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
409.6GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
315W
TDP
210W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
Max Resolution
15360x8640
Max Resolution
7680x4320
Max Resolution Refresh Rate
165Hz
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
3
Multi Monitor Support
3
Content Protection
HDCP 2.3
Content Protection
HDCP 2.2
Model
VCN 4.0
Model
VCE 4.0
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 4.0
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
6.7
-
-
GFX
11
-
-
-
-
Shader Model
6.7
-
-
GFX
9
-
-
-
-
-
-
-
3x Fans
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
CrossFire XDMA
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
110 mm (4.33 in)
Width
276 mm (10.87 in)
Depth
51 mm (2.01 in)
Height
111 mm (4.37 in)
Width
280 mm (11.02 in)
Depth
40 mm (1.57 in)
Change Comparison