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GPU Comparison
AMD Radeon R9 390X vs AMD Radeon RX 560
AMD Radeon R9 390X vs AMD Radeon RX 560
VS
AMD Radeon R9 390X
AMD Radeon RX 560
We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 4GB VRAM Radeon RX 560 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 390X 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (384.0GB/s vs 112.0GB/s)
1792 additional rendering cores
AMD Radeon RX 560 's Advantages
Released 1 years and 10 months late
Boost Clock1275MHz
Lower TDP (75W vs 275W)
Score
Benchmark
FP32 (float)
Radeon R9 390X
+126%
5.914 TFLOPS
Radeon RX 560
2.611 TFLOPS
3DMark Time Spy
Radeon R9 390X
+137%
4245
Radeon RX 560
1788
Radeon R9 390X
VS
Radeon RX 560
Graphics Card
Jun 2015
Release Date
Apr 2017
Pirate Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1175 MHz
-
Boost Clock
1275 MHz
1500 MHz
Memory Clock
1750 MHz
Memory
8GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
128bit
384.0GB/s
Bandwidth
112.0GB/s
Render Config
-
SM Count
-
44
Compute Units
16
2816
Shading Units
1024
176
TMUs
64
64
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
1024 KB
Theoretical Performance
67.20 GPixel/s
Pixel Rate
20.40 GPixel/s
184.8 GTexel/s
Texture Rate
81.60 GTexel/s
-
FP16 (half)
2.611 TFLOPS
5.914 TFLOPS
FP32 (float)
2.611 TFLOPS
739.2 GFLOPS
FP64 (double)
163.2 GFLOPS
Graphics Processor
Grenada
GPU Name
Polaris 21
Grenada XT (215-0880004)
GPU Variant
Polaris 21 XT (215-0908004)
GCN 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
6.2 billion
Transistors
3 billion
438 mm²
Die Size
123 mm²
Board Design
275W
TDP
75W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.2
-
CUDA
-
6.3
Shader Model
6.4
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