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
L20
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2520 MHz
TDP
275 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
550X
L20
Core Specs
Shading Units
512
11,776
+2200.0%
Shaders
512
11,776
+2200.0%
TMUs
32
368
+1050.0%
ROPs
16
128
+700.0%
Compute Units
8
—
SM Count
—
92
Clocks
Base Clock
1082 MHz
1440 MHz
Boost Clock
1218 MHz
2520 MHz
Memory Clock
1750 MHz
7 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
48 GB
VRAM (MB)
2,048
49,152
+2300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
384 bit
Bandwidth
112.0 GB/s
864.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
96 MB
Performance
Pixel Rate
19.49 GPixel/s
322.6 GPixel/s
Texture Rate
38.98 GTexel/s
927.4 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
59.35 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
927.4 GFLOPS (1:64)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
59.35 TFLOPS (1:1)
AI/RT
RT Cores
—
92
Tensor Cores
—
368
Power
TDP
50 W
275 W
TDP (W)
50
275
+450.0%
Suggested PSU
250 W
600 W
Power Connectors
None
1x 16-pin
Architecture
Architecture
GCN 4.0
Ada Lovelace
GPU Name
Lexa
AD102
Generation
Polaris
(RX 500X)
Server Ada
(Lxx)
Process Size
14 nm
5 nm
Transistors
2,200 million
76,300 million
Die Size
103 mm²
609 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
125.3M / 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
—
8.9
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
—
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
4x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
Polaris
Server Ampere
Successor
Vega
Server Hopper