GPU Comparison
RADEON
AMD Radeon RX 550X
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
RADEON
Radeon Vega 3
CORE STATE
Picasso
VRAM
System Shared
CLOCK SPEED
1100 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
12 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
Vega 3
Core Specs
Shading Units
512
192
-62.5%
Shaders
512
192
-62.5%
TMUs
32
12
-62.5%
ROPs
16
4
-75.0%
Compute Units
8
3
-62.5%
Clocks
Base Clock
1100 MHz
300 MHz
Boost Clock
1183 MHz
1100 MHz
Memory Clock
1500 MHz
6 Gbps effective
System Shared
Memory
Memory Size
4 GB
System Shared
VRAM (MB)
4,096
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
96.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
18.93 GPixel/s
4.400 GPixel/s
Texture Rate
37.86 GTexel/s
13.20 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
422.4 GFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
26.40 GFLOPS (1:16)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
844.8 GFLOPS (2:1)
Power
TDP
50 W
15 W
TDP (W)
50
15
-70.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 5.0
GPU Name
Lexa
Picasso
Generation
Polaris
(RX 500X)
Vega IGP
(Picasso)
Process Size
14 nm
12 nm
Transistors
2,200 million
4,940 million
Die Size
103 mm²
210 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
21.4M / mm²
23.5M / 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
Motherboard Dependent
Bus Interface
PCIe 3.0 x8
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GCN 3.0 IGP
Successor
Vega
Vega II IGP