GPU Comparison
RADEON
AMD Radeon RX 550X
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
GPU
Iris Pro Graphics P580
CORE STATE
Skylake GT4e
VRAM
System Shared
CLOCK SPEED
1000 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 9.0
PROCESS
14 nm+
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
Iris Pro Graphics P580
Core Specs
Shading Units
512
576
+12.5%
Shaders
512
576
+12.5%
TMUs
32
72
+125.0%
ROPs
16
9
-43.8%
Compute Units
8
—
Execution Units
—
72
Clocks
Base Clock
1100 MHz
350 MHz
Boost Clock
1183 MHz
1000 MHz
Memory Clock
1500 MHz
6 Gbps effective
System Shared
Memory
Memory Size
4 GB
System Shared
VRAM (MB)
4,096
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
96.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
18.93 GPixel/s
9.000 GPixel/s
Texture Rate
37.86 GTexel/s
72.00 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
1,152.0 GFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
288.0 GFLOPS (1:4)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
2.304 TFLOPS (2:1)
Power
TDP
50 W
15 W
TDP (W)
50
15
-70.0%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Generation 9.0
GPU Name
Lexa
Skylake GT4e
Generation
Polaris
(RX 500X)
HD Graphics-W
(Skylake)
Process Size
14 nm
14 nm+
Transistors
2,200 million
—
Die Size
103 mm²
—
Foundry
GlobalFoundries
Intel
Density
21.4M / mm²
—
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
3.0
Shader Model
6.7
6.4
Physical
Slot Width
Dual-slot
IGP
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Motherboard Dependent
Bus Interface
PCIe 3.0 x8
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—