GPU Comparison
RADEON
AMD Radeon RX 550
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1750 MHz
TDP
295 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550
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
1100 MHz
1400 MHz
Boost Clock
1183 MHz
1750 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
18.93 GPixel/s
112.0 GPixel/s
Texture Rate
37.86 GTexel/s
420.0 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
13.44 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
3.360 TFLOPS (1:4)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
26.88 TFLOPS (2:1)
Power
TDP
50 W
295 W
TDP (W)
50
295
+490.0%
Suggested PSU
250 W
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
GCN 5.1
GPU Name
Lexa
Vega 20
Generation
Polaris
(RX 500)
Vega II
(Radeon VII)
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
280 mm
11 inches
Height
—
125 mm
4.9 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
79 USD
699 USD
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
Vega
Successor
Vega
Navi