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GPU Comparison
AMD Radeon RX 550 vs AMD Radeon R9 390X
AMD Radeon RX 550 vs AMD Radeon R9 390X
VS
AMD Radeon RX 550
AMD Radeon R9 390X
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 550 's Advantages
Released 1 years and 10 months late
Boost Clock1183MHz
Lower TDP (50W vs 275W)
AMD Radeon R9 390X 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 112.0GB/s)
2304 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 550
1.211 TFLOPS
Radeon R9 390X
+388%
5.914 TFLOPS
3DMark Time Spy
Radeon RX 550
1202
Radeon R9 390X
+253%
4245
Radeon RX 550
VS
Radeon R9 390X
Graphics Card
Apr 2017
Release Date
Jun 2015
Polaris
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1100 MHz
Base Clock
-
1183 MHz
Boost Clock
-
1750 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
512bit
112.0GB/s
Bandwidth
384.0GB/s
Render Config
-
SM Count
-
8
Compute Units
44
512
Shading Units
2816
32
TMUs
176
16
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
Theoretical Performance
18.93 GPixel/s
Pixel Rate
67.20 GPixel/s
37.86 GTexel/s
Texture Rate
184.8 GTexel/s
1211 GFLOPS
FP16 (half)
-
1211 GFLOPS
FP32 (float)
5.914 TFLOPS
75.71 GFLOPS
FP64 (double)
739.2 GFLOPS
Graphics Processor
Lexa
GPU Name
Grenada
Lexa PRO (215-0904018)
GPU Variant
Grenada XT (215-0880004)
GCN 4.0
Architecture
GCN 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
6.2 billion
103 mm²
Die Size
438 mm²
Board Design
50W
TDP
275W
250 W
Suggested PSU
600 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
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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