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GPU Comparison
AMD Radeon RX 580X vs ATI Radeon X1550 PCI
AMD Radeon RX 580X vs ATI Radeon X1550 PCI
VS
AMD Radeon RX 580X
ATI Radeon X1550 PCI
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 580X 's Advantages
Released 11 years and 3 months late
Boost Clock1340MHz
Larger VRAM bandwidth (256.0GB/s vs 4.256GB/s)
2304 additional rendering cores
ATI Radeon X1550 PCI 's Advantages
Lower TDP (27W vs 185W)
Score
Radeon RX 580X
VS
Radeon X1550 PCI
Graphics Card
Apr 2018
Release Date
Jan 2007
Polaris
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1257 MHz
Base Clock
-
1340 MHz
Boost Clock
-
2000 MHz
Memory Clock
266 MHz
Memory
8GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
256.0GB/s
Bandwidth
4.256GB/s
Render Config
-
SM Count
-
36
Compute Units
-
2304
Shading Units
-
144
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
2 MB
L2 Cache
-
Theoretical Performance
42.88 GPixel/s
Pixel Rate
1.808 GPixel/s
193.0 GTexel/s
Texture Rate
1.808 GTexel/s
6.175 TFLOPS
FP16 (half)
-
6.175 TFLOPS
FP32 (float)
-
385.9 GFLOPS
FP64 (double)
-
Graphics Processor
Polaris 20
GPU Name
RV516
Polaris 20 XTX (215-0910038)
GPU Variant
-
GCN 4.0
Architecture
R500
GlobalFoundries
Foundry
UMC
14 nm
Process Size
80 nm
5.7 billion
Transistors
0.107 billion
232 mm²
Die Size
100 mm²
Board Design
185W
TDP
27W
450 W
Suggested PSU
200 W
1x HDMI 2.0b 3x DisplayPort 1.4a
Outputs
1x DVI 1x VGA 1x S-Video
1x 8-pin
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1
2.1
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
6.4
Shader Model
3.0
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