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GPU Comparison
AMD Radeon R9 390 vs AMD Radeon RX 580X
AMD Radeon R9 390 vs AMD Radeon RX 580X
VS
AMD Radeon R9 390
AMD Radeon RX 580X
We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 8GB VRAM Radeon RX 580X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 390 's Advantages
Larger VRAM bandwidth (384.0GB/s vs 256.0GB/s)
256 additional rendering cores
AMD Radeon RX 580X 's Advantages
Released 2 years and 10 months late
Boost Clock1340MHz
Lower TDP (185W vs 275W)
Score
Benchmark
FP32 (float)
Radeon R9 390
5.12 TFLOPS
Radeon RX 580X
+20%
6.175 TFLOPS
Radeon R9 390
VS
Radeon RX 580X
Graphics Card
Jun 2015
Release Date
Apr 2018
Pirate Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1257 MHz
-
Boost Clock
1340 MHz
1500 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
256bit
384.0GB/s
Bandwidth
256.0GB/s
Render Config
-
SM Count
-
40
Compute Units
36
2560
Shading Units
2304
160
TMUs
144
64
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
2 MB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
42.88 GPixel/s
160.0 GTexel/s
Texture Rate
193.0 GTexel/s
-
FP16 (half)
6.175 TFLOPS
5.120 TFLOPS
FP32 (float)
6.175 TFLOPS
640.0 GFLOPS
FP64 (double)
385.9 GFLOPS
Graphics Processor
Grenada
GPU Name
Polaris 20
Grenada PRO (215-0880030)
GPU Variant
Polaris 20 XTX (215-0910038)
GCN 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
6.2 billion
Transistors
5.7 billion
438 mm²
Die Size
232 mm²
Board Design
275W
TDP
185W
600 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 8-pin
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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