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
RTX 4000 Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
2175 MHz
TDP
130 W
BUS WIDTH
160 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
RTX 4000 Ada Generation
Core Specs
Shading Units
512
6,144
+1100.0%
Shaders
512
6,144
+1100.0%
TMUs
32
192
+500.0%
ROPs
16
64
+300.0%
Compute Units
8
—
SM Count
—
48
Clocks
Base Clock
1082 MHz
1500 MHz
Boost Clock
1218 MHz
2175 MHz
Memory Clock
1750 MHz
7 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
20 GB
VRAM (MB)
2,048
20,480
+900.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
160 bit
Bandwidth
112.0 GB/s
360.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
48 MB
Performance
Pixel Rate
19.49 GPixel/s
139.2 GPixel/s
Texture Rate
38.98 GTexel/s
417.6 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
26.73 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
417.6 GFLOPS (1:64)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
26.73 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
50 W
130 W
TDP (W)
50
130
+160.0%
Suggested PSU
250 W
300 W
Power Connectors
None
1x 16-pin
Architecture
Architecture
GCN 4.0
Ada Lovelace
GPU Name
Lexa
AD104
Generation
Polaris
(RX 500X)
Workstation Ada
(x000A)
Process Size
14 nm
5 nm
Transistors
2,200 million
35,800 million
Die Size
103 mm²
294 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
121.8M / 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
Single-slot
Length
145 mm
5.7 inches
245 mm
9.6 inches
Height
—
112 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
Workstation Ampere
Successor
Vega
Blackwell PRO W