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 RX Vega M GH
CORE STATE
Polaris 22
VRAM
4 GB
CLOCK SPEED
1190 MHz
TDP
100 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
RX Vega M GH
Core Specs
Shading Units
512
1,536
+200.0%
Shaders
512
1,536
+200.0%
TMUs
32
96
+200.0%
ROPs
16
64
+300.0%
Compute Units
8
24
+200.0%
Clocks
Base Clock
1082 MHz
1063 MHz
Boost Clock
1218 MHz
1190 MHz
Memory Clock
1750 MHz
7 Gbps effective
800 MHz
1600 Mbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
HBM2
Memory Bus
128 bit
1024 bit
Bandwidth
112.0 GB/s
204.8 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
19.49 GPixel/s
76.16 GPixel/s
Texture Rate
38.98 GTexel/s
114.2 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
3.656 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
228.5 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
3.656 TFLOPS (1:1)
Power
TDP
50 W
100 W
TDP (W)
50
100
+100.0%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
GCN 4.0
GPU Name
Lexa
Polaris 22
Generation
Polaris
(RX 500X)
Vega
(Vega M)
Process Size
14 nm
14 nm
Transistors
2,200 million
5,000 million
Die Size
103 mm²
208 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
21.4M / mm²
24.0M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
2.1
Shader Model
6.7
6.7
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
—