AMD Radeon RX 460 vs AMD Radeon R9 390

AMD Radeon RX 460 $109
AMD Radeon R9 390 $329
896 Shaders
2GB GDDR5
1200MHz
2560 Shaders
8GB GDDR5
1000MHz
FP32
2.15 TFLOPS
FP32
5.12 TFLOPS
FP16
2.15 TFLOPS
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
75W
TDP
275W
-
-
-
-
-
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
GCN 4
Architecture
GCN 2
Family
Radeon R 400
Family
Radeon R 300
Codename
Baffin
Polaris 11
Variant
Polaris 11 XL
Codename
Hawaii
-
Variant
Grenada Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/8/2016
Release Date
6/18/2015
Foundry
GlobalFoundries
-
Foundry
TSMC
-
Fabrication Node
14LPP
-
Fabrication Node
28nm
-
Die Size
123 mm²
-
Die Size
438 mm²
-
Transistor Count
3 Billion
-
Transistor Count
6.2 Billion
-
Transistor Density
24.39M/mm²
-
Transistor Density
14.16M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
896 Shaders
-
Shading Units
2560 Shaders
-
Texture Mapping Units
56 TMUs
Texture Mapping Units
160 TMUs
Render Output Units
16 ROPs
Render Output Units
64 ROPs
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-
-
-
-
-
-
-
-
-
-
-
Compute Units
14 CUs
Compute Units
40 CUs
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-
-
-
-
-
-
-
-
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1090MHz Base
1200MHz
-
-
-
1000MHz
-
-
-
-
-
-
-
-
-
-
FP16
2.15 TFLOPS
-
-
-
-
-
-
-
-
-
-
FP32
2.15 TFLOPS
FP32
5.12 TFLOPS
-
-
-
-
FP64
0.13 TFLOPS
-
FP64
0.64 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
19.2 GPixel/s
Pixel Fillrate
64 GPixel/s
-
-
-
-
Texture Fillrate
67.2 GTexel/s
Texture Fillrate
160 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
-
-
16KB/CU
-
L2
1MB Shared
L2
1MB Shared
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-
-
-
-
-
2GB
GDDR5
-
8GB
GDDR5
-
Bus Width
128Bit
Bus Width
512Bit
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
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-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
TDP
75W
TDP
275W
-
-
-
-
-
-
-
-
-
-
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-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
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-
1x DisplayPort 1.4
-
-
-
-
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-
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-
1x HDMI 2.0
-
-
-
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-
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-
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-
2x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
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-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
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-
1x HDMI 1.4
-
-
-
-
Max Resolution
5120x2880
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
Content Protection
HDCP 2.2
Content Protection
HDCP 1.4
Model
VCE 3.4
Model
VCE 2.0
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
Model
UVD 6.3
Model
UVD 4.2
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
12_0
Direct X
12
Direct 3D
12_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.7
-
-
GFX
8
-
-
-
-
Shader Model
6.5
-
-
GFX
7
-
-
-
-
-
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-
1x Fan
-
-
-
1x Fan
-
-
-
-
-
-
-
-
Power Connectors
-
-
1x 6-Pin
1x 8-Pin
-
-
-
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
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
-
-
Width
170 mm (6.69 in)
Depth
35 mm (1.38 in)
Height
110 mm (4.33 in)
Width
275 mm (10.83 in)
Depth
36 mm (1.42 in)
Change Comparison