AMD Radeon RX 7900 GRE vs AMD Radeon R9 390

AMD Radeon RX 7900 GRE $549
AMD Radeon R9 390 $329
5120 Shaders
16GB GDDR6
2245MHz
2560 Shaders
8GB GDDR5
1000MHz
FP32
45.98 TFLOPS
FP32
5.12 TFLOPS
FP16
91.96 TFLOPS
-
-
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
260W
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%
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 2
Family
Radeon RX 7000
Family
Radeon R 300
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XL
Codename
Hawaii
-
Variant
Grenada Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
7/27/2023
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
4x 38 mm² Memory Cache Die
Die Size
438 mm²
-
Transistor Count
45.4 Billion
4x 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
5120 Shaders
-
Shading Units
2560 Shaders
-
Texture Mapping Units
320 TMUs
Texture Mapping Units
160 TMUs
Render Output Units
160 ROPs
Render Output Units
64 ROPs
Tensor Cores
160 T-Cores
-
-
Ray-Tracing Cores
80 RT-Cores
-
-
-
-
-
-
Compute Units
80 CUs
Compute Units
40 CUs
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-
-
-
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1880MHz Base
2245MHz
-
-
-
1000MHz
-
-
-
-
-
-
-
-
-
-
FP16
91.96 TFLOPS
-
-
-
-
-
-
-
-
-
-
FP32
45.98 TFLOPS
FP32
5.12 TFLOPS
-
-
-
-
FP64
1.44 TFLOPS
-
FP64
0.64 TFLOPS
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-
-
-
-
-
-
-
-
Pixel Fillrate
359.2 GPixel/s
Pixel Fillrate
64 GPixel/s
-
-
-
-
Texture Fillrate
718.4 GTexel/s
Texture Fillrate
160 GTexel/s
L0
64KB/WGP
-
-
L1
-
-
-
256KB/Array
L1
-
-
16KB/CU
-
L2
6MB Shared
L2
1MB Shared
L3
64MB Shared
2.25TB/s
-
-
-
16GB
GDDR6
-
8GB
GDDR5
-
Bus Width
256Bit
Bus Width
512Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
576GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
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-
TDP
260W
TDP
275W
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
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2x DisplayPort 2.1
-
-
-
-
-
-
-
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-
1x HDMI 2.1
1x USB-C + DP
-
-
-
-
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2x DVI-D Dual-Link
-
-
-
-
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-
-
-
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-
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
-
-
-
-
-
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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)
Change Comparison