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
RADEON
Radeon R8 M445DX
CORE STATE
Meso
VRAM
System Shared
CLOCK SPEED
1021 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
550X
R8 M445DX
Core Specs
Shading Units
512
320
-37.5%
Shaders
512
320
-37.5%
TMUs
32
20
-37.5%
ROPs
16
8
-50.0%
Compute Units
8
5
-37.5%
Clocks
Base Clock
1082 MHz
780 MHz
Boost Clock
1218 MHz
1021 MHz
Memory Clock
1750 MHz
7 Gbps effective
System Shared
Memory
Memory Size
2 GB
System Shared
VRAM (MB)
2,048
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
112.0 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
128 KB
Performance
Pixel Rate
19.49 GPixel/s
8.168 GPixel/s
Texture Rate
38.98 GTexel/s
20.42 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
653.4 GFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
40.84 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
653.4 GFLOPS (1:1)
Power
TDP
50 W
—
TDP (W)
50
—
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
GCN 3.0
GPU Name
Lexa
Meso
Generation
Polaris
(RX 500X)
Gem System Hybrid
(Rx M400)
Process Size
14 nm
28 nm
Transistors
2,200 million
1,550 million
Die Size
103 mm²
125 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
12.4M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.170
OpenCL
2.1
2.1
Shader Model
6.7
6.5
Physical
Slot Width
Dual-slot
IGP
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—