GPU Comparison
RADEON
AMD Radeon 550X
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
GPU
Iris Xe MAX Graphics
CORE STATE
DG1
VRAM
4 GB
CLOCK SPEED
1650 MHz
TDP
25 W
BUS WIDTH
128 bit
ARCHITECTURE
Generation 12.1
PROCESS
10 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
550X
Iris Xe MAX Graphics
Core Specs
Shading Units
512
768
+50.0%
Shaders
512
768
+50.0%
TMUs
32
48
+50.0%
ROPs
16
24
+50.0%
Compute Units
8
—
Execution Units
—
96
Clocks
Base Clock
1082 MHz
300 MHz
Boost Clock
1218 MHz
1650 MHz
Memory Clock
1750 MHz
7 Gbps effective
2133 MHz
4.3 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
LPDDR4X
Memory Bus
128 bit
128 bit
Bandwidth
112.0 GB/s
68.26 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
1024 KB
L3 Cache
—
16 MB
Performance
Pixel Rate
19.49 GPixel/s
39.60 GPixel/s
Texture Rate
38.98 GTexel/s
79.20 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
2.534 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
633.6 GFLOPS (1:4)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
5.069 TFLOPS (2:1)
Power
TDP
50 W
25 W
TDP (W)
50
25
-50.0%
Suggested PSU
250 W
200 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Generation 12.1
GPU Name
Lexa
DG1
Generation
Polaris
(RX 500X)
Xe Graphics
Process Size
14 nm
10 nm
Transistors
2,200 million
—
Die Size
103 mm²
95 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
1.4
OpenCL
2.1
3.0
Shader Model
6.7
6.6
Physical
Slot Width
Dual-slot
IGP
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Graphics
Successor
Vega
Alchemist