AMD Radeon R9 380X vs AMD Radeon R7 340

AMD Radeon R9 380X $229
AMD Radeon R7 340
2048 Shaders
4GB GDDR5
970MHz
384 Shaders
2GB GDDR5
780MHz
FP32
3.97 TFLOPS
FP32
0.6 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
190W
TDP
75W
Power Connectors
2x 6-Pin
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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 3
Architecture
GCN 1
Family
Radeon R 300
Family
Radeon R 300
Codename
Tonga
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Variant
Antigua XT
Codename
Oland
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Variant
Oland XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
11/1/2015
Release Date
5/5/2015
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
359 mm²
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Die Size
90 mm²
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Transistor Count
5 Billion
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Transistor Count
1 Billion
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Transistor Density
13.93M/mm²
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Transistor Density
11.56M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
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Shading Units
384 Shaders
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Texture Mapping Units
128 TMUs
Texture Mapping Units
24 TMUs
Render Output Units
32 ROPs
Render Output Units
8 ROPs
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Compute Units
32 CUs
Compute Units
6 CUs
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970MHz
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730MHz Base
780MHz
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FP32
3.97 TFLOPS
FP32
0.6 TFLOPS
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FP64
0.25 TFLOPS
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FP64
0.04 TFLOPS
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Pixel Fillrate
31.04 GPixel/s
Pixel Fillrate
6.24 GPixel/s
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Texture Fillrate
124.16 GTexel/s
Texture Fillrate
18.72 GTexel/s
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L1
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16KB/CU
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L1
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16KB/CU
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L2
768KB Shared
L2
256KB Shared
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4GB
GDDR5
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2GB
GDDR5
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Bus Width
256Bit
Bus Width
128Bit
Clock
1425MHz
Transfer Rate
5.7GT/s
Bandwidth
182.4GB/s
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
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TDP
190W
TDP
75W
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1x DVI-I Dual-Link
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1x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
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1x DVI-I Dual-Link
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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
-
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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
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Model
VCE 3.0
Model
VCE 1.0
Codec
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AVC (H.264)
HEVC (H.265)
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Codec
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AVC (H.264)
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Model
UVD 5.0
Model
UVD 4.0
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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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
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GFX
8
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Shader Model
6.5
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GFX
6
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1x Fan
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1x Fan
Power Connectors
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2x 6-Pin
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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
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Height
111 mm (4.37 in)
Width
221 mm (8.7 in)
Depth
37 mm (1.46 in)
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Change Comparison