Home GPU Comparison NVIDIA L20 vs AMD Radeon RX 6400

NVIDIA L20 vs AMD Radeon RX 6400

NVIDIA L20
VS
AMD Radeon RX 6400
NVIDIA L20 AMD Radeon RX 6400
We compared two Desktop platform GPUs: 48GB VRAM L20 and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L20 's Advantages
Released 1 years and 10 months late
Boost Clock has increased by 9% (2520MHz vs 2321MHz)
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (864.0GB/s vs 128.0GB/s)
11008 additional rendering cores
AMD Radeon RX 6400 's Advantages
Lower TDP (53W vs 275W)

Score

Benchmark

FP32 (float)
L20 +1564%
59.35 TFLOPS
Radeon RX 6400
3.565 TFLOPS
L20
VS
Radeon RX 6400

Graphics Card

Nov 2023
Release Date
Jan 2022
Tesla Ada
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x4

Clock Speeds

1440 MHz
Base Clock
1923 MHz
2520 MHz
Boost Clock
2321 MHz
2250 MHz
Memory Clock
2000 MHz

Memory

48GB
Memory Size
4GB
GDDR6
Memory Type
GDDR6
384bit
Memory Bus
64bit
864.0GB/s
Bandwidth
128.0GB/s

Render Config

92
SM Count
-
-
Compute Units
12
11776
Shading Units
768
368
TMUs
48
128
ROPs
32
368
Tensor Cores
-
92
RT Cores
12
128 KB (per SM)
L1 Cache
128 KB per Array
96 MB
L2 Cache
1024 KB

Theoretical Performance

322.6 GPixel/s
Pixel Rate
74.27 GPixel/s
927.4 GTexel/s
Texture Rate
111.4 GTexel/s
59.35 TFLOPS
FP16 (half)
7.130 TFLOPS
59.35 TFLOPS
FP32 (float)
3.565 TFLOPS
927.4 GFLOPS
FP64 (double)
222.8 GFLOPS

Graphics Processor

AD102
GPU Name
Navi 24
AD102
GPU Variant
Navi 24 XL (215-135000046)
Ada Lovelace
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
6 nm
76.3 billion
Transistors
5.4 billion
609 mm²
Die Size
107 mm²

Board Design

275W
TDP
53W
600 W
Suggested PSU
250 W
4x DisplayPort 1.4a
Outputs
1x HDMI 2.1 1x DisplayPort 1.4a
1x 16-pin
Power Connectors
None

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
6.6

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