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
GEFORCE
CMP 50HX
CORE STATE
TU102
VRAM
10 GB
CLOCK SPEED
1545 MHz
TDP
250 W
BUS WIDTH
320 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
CMP 50HX
Core Specs
Shading Units
512
3,584
+600.0%
Shaders
512
3,584
+600.0%
TMUs
32
192
+500.0%
ROPs
16
80
+400.0%
Compute Units
8
—
SM Count
—
56
Clocks
Base Clock
1082 MHz
1350 MHz
Boost Clock
1218 MHz
1545 MHz
Memory Clock
1750 MHz
7 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
2 GB
10 GB
VRAM (MB)
2,048
10,240
+400.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
320 bit
Bandwidth
112.0 GB/s
560.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
5 MB
Performance
Pixel Rate
19.49 GPixel/s
123.6 GPixel/s
Texture Rate
38.98 GTexel/s
296.6 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
11.07 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
346.1 GFLOPS (1:32)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
22.15 TFLOPS (2:1)
AI/RT
RT Cores
—
56
Tensor Cores
—
448
Power
TDP
50 W
250 W
TDP (W)
50
250
+400.0%
Suggested PSU
250 W
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
Turing
GPU Name
Lexa
TU102
Generation
Polaris
(RX 500X)
Mining GPUs
Process Size
14 nm
12 nm
Transistors
2,200 million
18,600 million
Die Size
103 mm²
754 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
24.7M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
7.5
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
267 mm
10.5 inches
Height
—
116 mm
4.6 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—