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GPU Comparison
AMD Radeon R9 285X vs AMD Radeon RX 580 2048SP
AMD Radeon R9 285X vs AMD Radeon RX 580 2048SP
VS
AMD Radeon R9 285X
AMD Radeon RX 580 2048SP
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 4GB VRAM Radeon RX 580 2048SP 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 224.0GB/s)
AMD Radeon RX 580 2048SP 's Advantages
Boost Clock1284MHz
More VRAM (4GB vs 3GB)
Lower TDP (150W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 285X
4.104 TFLOPS
Radeon RX 580 2048SP
+28%
5.259 TFLOPS
Radeon R9 285X
VS
Radeon RX 580 2048SP
Graphics Card
Unknown
Release Date
Oct 2018
Volcanic Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1168 MHz
-
Boost Clock
1284 MHz
1375 MHz
Memory Clock
1750 MHz
Memory
3GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
264.0GB/s
Bandwidth
224.0GB/s
Render Config
-
SM Count
-
32
Compute Units
32
2048
Shading Units
2048
128
TMUs
128
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
2 MB
Theoretical Performance
32.06 GPixel/s
Pixel Rate
41.09 GPixel/s
128.3 GTexel/s
Texture Rate
164.4 GTexel/s
-
FP16 (half)
5.259 TFLOPS
4.104 TFLOPS
FP32 (float)
5.259 TFLOPS
-
FP64 (double)
328.7 GFLOPS
Graphics Processor
Tonga
GPU Name
Polaris 20
Tonga XT (215-0851313)
GPU Variant
Polaris 20 XL (215-0910052)
GCN 3.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
5 billion
Transistors
5.7 billion
366 mm²
Die Size
232 mm²
Board Design
200W
TDP
150W
550 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 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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8
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