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GPU Comparison
AMD Radeon R9 285X vs AMD Radeon RX 550X
AMD Radeon R9 285X vs AMD Radeon RX 550X
VS
AMD Radeon R9 285X
AMD Radeon RX 550X
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 285X 's Advantages
Larger VRAM bandwidth (264.0GB/s vs 96.00GB/s)
1536 additional rendering cores
AMD Radeon RX 550X 's Advantages
Boost Clock1183MHz
More VRAM (4GB vs 3GB)
Lower TDP (50W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 285X
+238%
4.104 TFLOPS
Radeon RX 550X
1.211 TFLOPS
Radeon R9 285X
VS
Radeon RX 550X
Graphics Card
Unknown
Release Date
Dec 2018
Volcanic 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
1375 MHz
Memory Clock
1500 MHz
Memory
3GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
264.0GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
32
Compute Units
8
2048
Shading Units
512
128
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
512 KB
Theoretical Performance
32.06 GPixel/s
Pixel Rate
18.93 GPixel/s
128.3 GTexel/s
Texture Rate
37.86 GTexel/s
-
FP16 (half)
1211 GFLOPS
4.104 TFLOPS
FP32 (float)
1211 GFLOPS
-
FP64 (double)
75.71 GFLOPS
Graphics Processor
Tonga
GPU Name
Lexa
Tonga XT (215-0851313)
GPU Variant
Lexa PRO (215-0904018)
GCN 3.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
5 billion
Transistors
2.2 billion
366 mm²
Die Size
103 mm²
Board Design
200W
TDP
50W
550 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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4
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6
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8
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9
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10
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