L20 vs Radeon RX 9070 XT
We compared two Desktop platform GPUs: 48GB VRAM L20 and 16GB VRAM Radeon RX 9070 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
L20 's Advantages
More VRAM (48GB vs 16GB)
Larger VRAM bandwidth (864.0GB/s vs 644.6GB/s)
7680 additional rendering cores
Lower TDP (275W vs 304W)
Radeon RX 9070 XT 's Advantages
Released 1 years and 4 months late
Boost Clock has increased by 18% (2970MHz vs 2520MHz)
Score
Benchmark
FP32 (float)
L20
+21%
59350
Radeon RX 9070 XT
48660
Graphics Card
Nov 2023
Release Date
Mar 2025
Tesla Ada
Generation
Navi IV
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1440 MHz
Base Clock
1660 MHz
2520 MHz
Boost Clock
2970 MHz
2250 MHz
Memory Clock
2518 MHz
Memory
48GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
384bit
Memory Bus
256bit
864.0GB/s
Bandwidth
644.6GB/s
Render Config
-
Compute Units
64
92
SM Count
-
11776
Shading Units
4096
368
TMUs
256
128
ROPs
128
368
Tensor Cores
128
92
RT Cores
64
128 KB (per SM)
L1 Cache
128 KB per Array
96 MB
L2 Cache
8 MB
-
L3 Cache
64 MB
Theoretical Performance
322.6 GPixel/s
Pixel Rate
380.2 GPixel/s
927.4 GTexel/s
Texture Rate
760.3 GTexel/s
59.35 TFLOPS
FP16 (half)
97.32 TFLOPS
59.35 TFLOPS
FP32 (float)
48.66 TFLOPS
927.4 GFLOPS
FP64 (double)
1.521 TFLOPS
Board Design
275W
TDP
304W
600 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1a
1x 16-pin
Power Connectors
2x 8-pin
Graphics Processor
AD102
GPU Name
Navi 48
AD102
GPU Variant
Navi 48 XT
(215-176600315)
Ada Lovelace
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
76.3 billion
Transistors
53.9 billion
609 mm²
Die Size
357 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.3
Vulkan
1.3
8.9
CUDA
-
6.7
Shader Model
6.8