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 VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1700 MHz
TDP
250 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
Pro VII
Core Specs
Shading Units
512
3,840
+650.0%
Shaders
512
3,840
+650.0%
TMUs
32
240
+650.0%
ROPs
16
64
+300.0%
Compute Units
8
60
+650.0%
Clocks
Base Clock
1082 MHz
1400 MHz
Boost Clock
1218 MHz
1700 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
4096 bit
Bandwidth
112.0 GB/s
1.02 TB/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
108.8 GPixel/s
Texture Rate
38.98 GTexel/s
408.0 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
13.06 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
6.528 TFLOPS (1:2)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
26.11 TFLOPS (2:1)
Power
TDP
50 W
250 W
TDP (W)
50
250
+400.0%
Suggested PSU
250 W
600 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 4.0
GCN 5.1
GPU Name
Lexa
Vega 20
Generation
Polaris
(RX 500X)
Radeon Pro Vega
(Vega II Series)
Process Size
14 nm
7 nm
Transistors
2,200 million
13,230 million
Die Size
103 mm²
331 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
40.0M / 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
Dual-slot
Length
145 mm
5.7 inches
305 mm
12 inches
Height
—
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
6x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Launch Price
—
1,899 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Radeon Pro Polaris
Successor
Vega
Radeon Pro Navi