L20 vs Radeon Instinct MI355X
We compared two Desktop platform GPUs: 48GB VRAM L20 and 288GB VRAM Radeon Instinct MI355X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
L20 's Advantages
Boost Clock has increased by 20% (2520MHz vs 2100MHz)
Lower TDP (275W vs 1400W)
Radeon Instinct MI355X 's Advantages
Released 1 years and 2 months late
More VRAM (288GB vs 48GB)
Larger VRAM bandwidth (8.19TB/s vs 864.0GB/s)
7680 additional rendering cores
Score
Benchmark
FP32 (float)
L20
59350
Radeon Instinct MI355X
+37%
81720
Graphics Card
Nov 2023
Release Date
Jan 2025
Tesla Ada
Generation
Radeon Instinct
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1440 MHz
Base Clock
1000 MHz
2520 MHz
Boost Clock
2100 MHz
2250 MHz
Memory Clock
2000 MHz
Memory
48GB
Memory Size
288GB
GDDR6
Memory Type
HBM3e
384bit
Memory Bus
8192bit
864.0GB/s
Bandwidth
8.19TB/s
Render Config
-
Compute Units
304
92
SM Count
-
11776
Shading Units
19456
368
TMUs
1216
128
ROPs
0
368
Tensor Cores
1216
92
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
96 MB
L2 Cache
16 MB
-
L3 Cache
256 MB
Theoretical Performance
322.6 GPixel/s
Pixel Rate
0 MPixel/s
927.4 GTexel/s
Texture Rate
2553.6 GTexel/s
59.35 TFLOPS
FP16 (half)
653.7 TFLOPS
59.35 TFLOPS
FP32 (float)
81.72 TFLOPS
927.4 GFLOPS
FP64 (double)
81.72 TFLOPS
Board Design
275W
TDP
1400W
600 W
Suggested PSU
1800 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 16-pin
Power Connectors
None
Graphics Processor
AD102
GPU Name
Aqua Vanjaram X
AD102
GPU Variant
-
Ada Lovelace
Architecture
CDNA 4.0
TSMC
Foundry
TSMC
5 nm
Process Size
3 nm
76.3 billion
Transistors
153 billion
609 mm²
Die Size
1017 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
N/A