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
GB10
CORE STATE
GB20B
VRAM
128 GB
CLOCK SPEED
2418 MHz
TDP
140 W
BUS WIDTH
256 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
GB10
Core Specs
Shading Units
512
6,144
+1100.0%
Shaders
512
6,144
+1100.0%
TMUs
32
384
+1100.0%
ROPs
16
48
+200.0%
Compute Units
8
—
SM Count
—
48
Clocks
Base Clock
1082 MHz
1665 MHz
Boost Clock
1218 MHz
2418 MHz
Memory Clock
1750 MHz
7 Gbps effective
1067 MHz
8.5 Gbps effective
Memory
Memory Size
2 GB
128 GB
VRAM (MB)
2,048
131,072
+6300.0%
Memory Type
GDDR5
LPDDR5X
Memory Bus
128 bit
256 bit
Bandwidth
112.0 GB/s
273.2 GB/s
Cache
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
50 MB
Performance
Pixel Rate
19.49 GPixel/s
116.1 GPixel/s
Texture Rate
38.98 GTexel/s
928.5 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
29.71 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
464.3 GFLOPS (1:64)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
29.71 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
384
Power
TDP
50 W
140 W
TDP (W)
50
140
+180.0%
Suggested PSU
250 W
300 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Blackwell 2.0
GPU Name
Lexa
GB20B
Generation
Polaris
(RX 500X)
Server Blackwell
(Bxx)
Process Size
14 nm
5 nm
Transistors
2,200 million
—
Die Size
103 mm²
—
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
—
API Support
DirectX
12 (12_0)
—
OpenGL
4.6
—
Vulkan
1.3
—
OpenCL
2.1
3.0
CUDA
—
12.1
Shader Model
6.7
—
Physical
Slot Width
Dual-slot
IGP
Length
145 mm
5.7 inches
150 mm
5.9 inches
Height
—
51 mm
2 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI
Bus Interface
PCIe 3.0 x8
PCIe 5.0 x16
Other
Launch Price
—
3,999 USD
Production
End-of-life
Active
Predecessor
Polaris
Server Hopper
Successor
Vega
Server Rubin