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GPU Comparison
AMD Radeon RX 580G vs AMD Radeon R9 285
AMD Radeon RX 580G vs AMD Radeon R9 285
VS
AMD Radeon RX 580G
AMD Radeon R9 285
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 580G 's Advantages
Released 4 years and 1 months late
Boost Clock1330MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 176.0GB/s)
512 additional rendering cores
Lower TDP (185W vs 190W)
Score
Benchmark
FP32 (float)
Radeon RX 580G
+86%
6.129 TFLOPS
Radeon R9 285
3.29 TFLOPS
Radeon RX 580G
VS
Radeon R9 285
Graphics Card
Oct 2018
Release Date
Sep 2014
Polaris
Generation
Volcanic 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
1375 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
256.0GB/s
Bandwidth
176.0GB/s
Render Config
36
Compute Units
28
-
-
-
2304
Shading Units
1792
144
TMUs
112
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
42.56 GPixel/s
Pixel Rate
29.38 GPixel/s
191.5 GTexel/s
Texture Rate
102.8 GTexel/s
6.129 TFLOPS
FP16 (half)
3.290 TFLOPS
6.129 TFLOPS
FP32 (float)
3.290 TFLOPS
383.0 GFLOPS
FP64 (double)
205.6 GFLOPS
Board Design
185W
TDP
190W
450 W
Suggested PSU
450 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
2x 6-pin
Graphics Processor
Polaris 20
GPU Name
Tonga
Polaris 20 XTX (215-0910038)
GPU Variant
Tonga PRO (215-0851128)
GCN 4.0
Architecture
GCN 3.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
5 billion
232 mm²
Die Size
366 mm²
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2.170
-
-
-
6.4
Shader Model
6.5
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