AMD Radeon R9 390X vs AMD Radeon R7 340
AMD Radeon R9 390X
$429
AMD Radeon R7 340
|
2816 Shaders
8GB GDDR5
1050MHz
|
384 Shaders
2GB GDDR5
780MHz
|
|
Peak AI Performance
5.91 TFLOPS
FP32
|
Peak AI Performance
600 GFLOPS
FP32
|
|
FP32
5.91 TFLOPS
|
FP32
600 GFLOPS
|
|
-
-
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-
-
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
1.0-Slots
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TDP
275W
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TDP
75W
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Power Connectors
1x 6-Pin
1x 8-Pin
-
-
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-
-
-
-
-
|
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GB6 Metal N/A
0%
|
GB6 Metal N/A
0%
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GB6 Vulkan N/A
0%
|
GB6 Vulkan N/A
0%
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GB5 OpenCL N/A
0%
|
GB5 OpenCL N/A
0%
|
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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%
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Manufacturer
AMD
|
Manufacturer
AMD
|
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Chip Designer
AMD
|
Chip Designer
AMD
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Architecture
GCN 2
|
Architecture
GCN 1
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Family
Radeon R 300
|
Family
Radeon R 300
|
|
Codename
Hawaii
-
Variant
Grenada XT
|
Codename
Oland
-
Variant
Oland XT
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|
Market Segment
Desktop
|
Market Segment
Desktop
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|
Release Date
6/18/2015
|
Release Date
5/5/2015
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
28nm
-
|
Fabrication Node
28nm
-
|
|
Die Size
438 mm²
-
|
Die Size
90 mm²
-
|
|
Transistor Count
6.2 Billion
-
|
Transistor Count
1 Billion
-
|
|
Transistor Density
14.16M/mm²
-
|
Transistor Density
11.56M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
2816 Shaders
-
|
Shading Units
384 Shaders
-
|
|
Texture Mapping Units
176 TMUs
|
Texture Mapping Units
24 TMUs
|
|
Render Output Units
64 ROPs
|
Render Output Units
8 ROPs
|
|
-
-
|
-
-
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-
-
|
-
-
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-
-
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-
-
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Compute Units
44 CUs
|
Compute Units
6 CUs
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|
-
-
|
-
-
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-
-
|
-
-
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-
-
-
1050MHz
|
-
-
730MHz Base
780MHz
|
|
Peak AI Performance
5.91 TFLOPS
FP32
|
Peak AI Performance
600 GFLOPS
FP32
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
-
-
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-
-
-
-
-
-
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-
-
-
-
-
-
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-
-
-
-
-
-
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FP32
5.91 TFLOPS
-
-
|
FP32
600 GFLOPS
-
-
|
|
FP64
740 GFLOPS
-
|
FP64
40 GFLOPS
-
|
|
-
-
-
-
|
-
-
-
-
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-
-
-
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-
-
-
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-
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-
-
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-
-
-
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-
-
-
-
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-
-
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-
-
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-
-
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-
-
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Pixel Fillrate
67.2 GPixel/s
|
Pixel Fillrate
6.24 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
184.8 GTexel/s
|
Texture Fillrate
18.72 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
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L2
1MB Shared
|
L2
256KB Shared
|
|
-
-
-
|
-
-
-
|
|
8GB
GDDR5
-
|
2GB
GDDR5
-
|
|
Bus Width
512Bit
|
Bus Width
128Bit
|
|
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
|
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
|
|
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
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TDP
275W
|
TDP
75W
|
|
-
-
|
-
-
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|
-
-
-
-
-
-
-
-
-
-
2x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.4
-
-
-
-
|
-
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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|
Max Resolution
4096x2160
|
Max Resolution
4096x2160
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
FreeSync
-
|
Variable Refresh Rate
-
-
-
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
3
|
Multi Monitor Support
3
|
|
Content Protection
HDCP 1.4
|
-
-
|
|
Model
VCE 2.0
|
Model
VCE 1.0
|
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
|
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Model
UVD 4.2
|
Model
UVD 4.0
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Direct X
12
Direct 3D
12_0
|
Direct X
12
Direct 3D
11_1
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
|
Shader Model
6.5
-
-
GFX
7
-
-
-
-
|
Shader Model
6.5
-
-
GFX
6
-
-
-
-
|
|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
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Power Connectors
-
-
1x 6-Pin
1x 8-Pin
-
-
-
|
-
-
-
-
-
-
-
-
|
|
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
|
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
-
-
-
-
|
|
Height
110 mm (4.33 in)
Width
275 mm (10.83 in)
Depth
36 mm (1.42 in)
|
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