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GPU Comparison
AMD Radeon R9 390X vs AMD Radeon 550
AMD Radeon R9 390X vs AMD Radeon 550
VS
AMD Radeon R9 390X
Type 1 or more characters for results.
AMD Radeon 550
Type 1 or more characters for results.
We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 2GB VRAM Radeon 550 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 2GB)
Larger VRAM bandwidth (384.0GB/s vs 56.00GB/s)
2304 additional rendering cores
AMD Radeon 550 's Advantages
Released 1 years and 10 months late
Boost Clock1183MHz
Lower TDP (50W vs 275W)
Score
Benchmark
FP32 (float)
Radeon R9 390X
+388%
5.914 TFLOPS
Radeon 550
1.211 TFLOPS
Radeon R9 390X
VS
Radeon 550
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
1100 MHz
-
Boost Clock
1183 MHz
1500 MHz
Memory Clock
1750 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
64bit
384.0GB/s
Bandwidth
56.00GB/s
Render Config
44
Compute Units
8
-
-
-
2816
Shading Units
512
176
TMUs
32
64
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
67.20 GPixel/s
Pixel Rate
18.93 GPixel/s
184.8 GTexel/s
Texture Rate
37.86 GTexel/s
-
FP16 (half)
1211 GFLOPS
5.914 TFLOPS
FP32 (float)
1211 GFLOPS
739.2 GFLOPS
FP64 (double)
75.71 GFLOPS
Board Design
275W
TDP
50W
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 Processor
Grenada
GPU Name
Lexa
Grenada XT (215-0880004)
GPU Variant
Lexa PRO (215-0904018)
GCN 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
6.2 billion
Transistors
2.2 billion
438 mm²
Die Size
103 mm²
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.3
-
-
-
6.3
Shader Model
6.7
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