AMD Radeon RX 7900 XT vs AMD Radeon R9 390X
AMD Radeon RX 7900 XT
$899
AMD Radeon R9 390X
$429
|
5376 Shaders
20GB GDDR6
2400MHz
|
2816 Shaders
8GB GDDR5
1050MHz
|
|
FP32
51.61 TFLOPS
|
FP32
5.91 TFLOPS
|
|
FP16
103.22 TFLOPS
|
-
-
|
|
Form Factor
PCIe Card
2.5-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
315W
|
TDP
275W
|
|
Power Connectors
-
2x 8-Pin
-
-
|
Power Connectors
1x 6-Pin
1x 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%
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OCT 2020.1 - N/A
0%
|
|
OCT Metal - N/A
0%
|
OCT Metal - N/A
0%
|
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Manufacturer
AMD
|
Manufacturer
AMD
|
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Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 3
|
Architecture
GCN 2
|
|
Family
Radeon RX 7000
|
Family
Radeon R 300
|
|
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XT
|
Codename
Hawaii
-
Variant
Grenada XT
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
12/13/2022
|
Release Date
6/18/2015
|
|
Foundry
TSMC
TSMC Memory Cache Die
|
Foundry
TSMC
-
|
|
Fabrication Node
N5
N6 Memory Cache Die
|
Fabrication Node
28nm
-
|
|
Die Size
304 mm²
6x 38 mm² Memory Cache Die
|
Die Size
438 mm²
-
|
|
Transistor Count
45.4 Billion
6x 2.1 Billion Memory Cache Die
|
Transistor Count
6.2 Billion
-
|
|
Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
|
Transistor Density
14.16M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
5376 Shaders
-
|
Shading Units
2816 Shaders
-
|
|
Texture Mapping Units
336 TMUs
|
Texture Mapping Units
176 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
44 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
1500MHz Base
2400MHz
|
-
-
-
1050MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
FP16
103.22 TFLOPS
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
51.61 TFLOPS
|
FP32
5.91 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
1.61 TFLOPS
-
|
FP64
0.74 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
460.8 GPixel/s
|
Pixel Fillrate
67.2 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
806.4 GTexel/s
|
Texture Fillrate
184.8 GTexel/s
|
|
L0
64KB/WGP
|
-
-
|
|
L1
-
-
-
256KB/Array
|
L1
-
-
16KB/CU
-
|
|
L2
6MB Shared
|
L2
1MB Shared
|
|
L3
80MB Shared
2.9TB/s
|
-
-
-
|
|
20GB
GDDR6
-
|
8GB
GDDR5
-
|
|
Bus Width
320Bit
|
Bus Width
512Bit
|
|
Clock
2500MHz
Transfer Rate
20GT/s
Bandwidth
800GB/s
|
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
315W
|
TDP
275W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
|
-
-
-
-
-
-
-
-
-
-
2x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.4
-
-
-
-
|
|
Max Resolution
15360x8640
|
Max Resolution
4096x2160
|
|
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 1.4
|
|
Model
VCN 4.0
|
Model
VCE 2.0
|
|
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Model
VCN 4.0
|
Model
UVD 4.2
|
|
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
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Direct X
12
Direct 3D
12_2
|
Direct X
12
Direct 3D
12_0
|
|
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
|
Shader Model
6.7
-
-
GFX
11
-
-
-
-
|
Shader Model
6.5
-
-
GFX
7
-
-
-
-
|
|
-
-
-
3x Fans
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
-
2x 8-Pin
-
-
-
|
Power Connectors
-
-
1x 6-Pin
1x 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
110 mm (4.33 in)
Width
275 mm (10.83 in)
Depth
36 mm (1.42 in)
|
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