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 Pro Vega 64X
CORE STATE
Vega 10
VRAM
16 GB
CLOCK SPEED
1468 MHz
TDP
250 W
BUS WIDTH
2048 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
550X
Pro Vega 64X
Core Specs
Shading Units
512
4,096
+700.0%
Shaders
512
4,096
+700.0%
TMUs
32
256
+700.0%
ROPs
16
64
+300.0%
Compute Units
8
64
+700.0%
Clocks
Base Clock
1082 MHz
1250 MHz
Boost Clock
1218 MHz
1468 MHz
Memory Clock
1750 MHz
7 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
HBM2
Memory Bus
128 bit
2048 bit
Bandwidth
112.0 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
19.49 GPixel/s
93.95 GPixel/s
Texture Rate
38.98 GTexel/s
375.8 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
12.03 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
751.6 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
24.05 TFLOPS (2:1)
Power
TDP
50 W
250 W
TDP (W)
50
250
+400.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 5.0
GPU Name
Lexa
Vega 10
Generation
Polaris
(RX 500X)
Radeon Pro Mac
(Vega Series)
Process Size
14 nm
14 nm
Transistors
2,200 million
12,500 million
Die Size
103 mm²
495 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
21.4M / mm²
25.3M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
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
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—