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 R7 250
CORE STATE
Cape Verde
VRAM
1024 MB
CLOCK SPEED
—
TDP
55 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
550X
R7 250
Core Specs
Shading Units
512
512
0.0%
Shaders
512
512
0.0%
TMUs
32
32
0.0%
ROPs
16
16
0.0%
Compute Units
8
8
0.0%
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
925 MHz
Memory Clock
1750 MHz
7 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
112.0 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Performance
Pixel Rate
19.49 GPixel/s
14.80 GPixel/s
Texture Rate
38.98 GTexel/s
29.60 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
947.2 GFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
59.20 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
—
Power
TDP
50 W
55 W
TDP (W)
50
55
+10.0%
Suggested PSU
250 W
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 1.0
GPU Name
Lexa
Cape Verde
Generation
Polaris
(RX 500X)
Volcanic Islands
(R7 200)
Process Size
14 nm
28 nm
Transistors
2,200 million
1,500 million
Die Size
103 mm²
123 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
12.2M / 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
Single-slot
Length
145 mm
5.7 inches
168 mm
6.6 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Sea Islands
Successor
Vega
Pirate Islands