GPUs

AMD Radeon R5 340X vs AMD Radeon R9 380X Full Specs

384 Shaders
1.05GHz
2,048 Shaders
970MHz
2GB DDR316GB/s
4GB GDDR5182.4GB/s
··
806.4 GFLOPS
··
3.97 TFLOPS
Form Factor
PCIe Card
Form Factor
PCIe Card
TDP
30W
TDP
190W
Power Connectors
-
Power Connectors
2x 6-Pin

Radeon R5 340XRadeon R5 340X806.4 GFLOPSFP32
x1
Radeon R9 380XRadeon R9 380X3.97 TFLOPSFP32
x4.93

Clock Speed
··
Clock Speed
··
Peak OPS
806.4 GFLOPSFP32
Peak OPS
3.97 TFLOPSFP32
FP32
806.4 GFLOPS
FP32
3.97 TFLOPS
FP64
50.4 GFLOPS
FP64
248.3 GFLOPS
Pixel Rate
8.4 GPixel/s
Pixel Rate
31 GPixel/s
Texture Rate
25.2 GTexel/s
Texture Rate
124.2 GTexel/s

Shaders
384 Shaders
Shaders
2,048 Shaders
TMUs
24 TMUs
TMUs
128 TMUs
ROPs
8 ROPs
ROPs
32 ROPs
CUs
6 CUs
CUs
32 CUs

Boost Clock
1.05GHz
Boost Clock
970MHz

L2 Cache
256KB shared
L2 Cache
768KB shared

2GB DDR3
4GB GDDR5
Memory Bus
64-bit
Memory Bus
256-bit
Memory Speed
2GT/s
Memory Speed
5.7GT/s
Memory Bandwidth
16GB/s
Memory Bandwidth
182.4GB/s
ECC
No
ECC
No

TDP
30W
TDP
190W

Multi-Monitor
3
Multi-Monitor
3
HDCP
-
HDCP
HDCP 1.4

1x DisplayPort 1.2
1x DisplayPort 1.2
-
1x HDMI 1.4
-
1x DVI-D Dual-Link
1x DVI-I Dual-Link
1x DVI-I Dual-Link

Encoder Model
VCE 1.0
Encoder Model
VCE 3.0

Decoder Model
UVD 4.0
Decoder Model
UVD 5.0

Form Factor
PCIe Card
Form Factor
PCIe Card
PCIe
1-Slots
PCIe
2-Slots
-
Height
111 mm (4.37")
Width
221 mm (8.7")
Depth
37 mm (1.46")
Cooling
Open-Air
1x Fan
Cooling
Blower
1x Fan
Power Connectors
-
Power Connectors
2x 6-Pin

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
Radeon 2013 branding
Branding
Radeon 2013 branding
Codename
Oland
Codename
Tonga
Chip Variant
Oland XT
Chip Variant
Tonga Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
May 5, 2015
Release Date
Nov 1, 2015

Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
77mm²
Die Size
359mm²
Transistor Count
950 Million
Transistor Count
5 Billion
Transistor Density
12.34 MTr/mm²
Transistor Density
13.93 MTr/mm²

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