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 R9 370X
CORE STATE
Trinidad
VRAM
2 GB
CLOCK SPEED
1030 MHz
TDP
180 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
550X
R9 370X
Core Specs
Shading Units
512
1,280
+150.0%
Shaders
512
1,280
+150.0%
TMUs
32
80
+150.0%
ROPs
16
32
+100.0%
Compute Units
8
24
+200.0%
Clocks
Base Clock
1082 MHz
980 MHz
Boost Clock
1218 MHz
1030 MHz
Memory Clock
1750 MHz
7 Gbps effective
1400 MHz
5.6 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
112.0 GB/s
179.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
19.49 GPixel/s
32.96 GPixel/s
Texture Rate
38.98 GTexel/s
82.40 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
2.637 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
164.8 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
—
Power
TDP
50 W
180 W
TDP (W)
50
180
+260.0%
Suggested PSU
250 W
450 W
Power Connectors
None
2x 6-pin
Architecture
Architecture
GCN 4.0
GCN 1.0
GPU Name
Lexa
Trinidad
Generation
Polaris
(RX 500X)
Pirate Islands
(R9 300)
Process Size
14 nm
28 nm
Transistors
2,200 million
2,800 million
Die Size
103 mm²
212 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
13.2M / mm²
API Support
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.170
OpenCL
2.1
2.1 (1.2)
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
221 mm
8.7 inches
Height
—
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
199 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Volcanic Islands
Successor
Vega
Arctic Islands