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GPU Comparison
AMD Radeon RX 580G vs AMD Radeon R9 390
AMD Radeon RX 580G vs AMD Radeon R9 390
VS
AMD Radeon RX 580G
AMD Radeon R9 390
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 580G 's Advantages
Released 3 years and 4 months late
Boost Clock1330MHz
Lower TDP (185W vs 275W)
AMD Radeon R9 390 's Advantages
Larger VRAM bandwidth (384.0GB/s vs 256.0GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 580G
+19%
6.129 TFLOPS
Radeon R9 390
5.12 TFLOPS
Radeon RX 580G
VS
Radeon R9 390
Graphics Card
Oct 2018
Release Date
Jun 2015
Polaris
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1257 MHz
Base Clock
-
1330 MHz
Boost Clock
-
2000 MHz
Memory Clock
1500 MHz
Memory
8GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
512bit
256.0GB/s
Bandwidth
384.0GB/s
Render Config
-
SM Count
-
36
Compute Units
40
2304
Shading Units
2560
144
TMUs
160
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
Theoretical Performance
42.56 GPixel/s
Pixel Rate
64.00 GPixel/s
191.5 GTexel/s
Texture Rate
160.0 GTexel/s
6.129 TFLOPS
FP16 (half)
-
6.129 TFLOPS
FP32 (float)
5.120 TFLOPS
383.0 GFLOPS
FP64 (double)
640.0 GFLOPS
Graphics Processor
Polaris 20
GPU Name
Grenada
Polaris 20 XTX (215-0910038)
GPU Variant
Grenada PRO (215-0880030)
GCN 4.0
Architecture
GCN 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
6.2 billion
232 mm²
Die Size
438 mm²
Board Design
185W
TDP
275W
450 W
Suggested PSU
600 W
1x HDMI 2.0b 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.0
1.2
Vulkan
1.2
-
CUDA
-
6.4
Shader Model
6.3
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