Home GPU Comparison NVIDIA RTX A1000 vs AMD Radeon RX 6400

NVIDIA RTX A1000 vs AMD Radeon RX 6400

NVIDIA RTX A1000
VS
AMD Radeon RX 6400
NVIDIA RTX A1000
AMD Radeon RX 6400
We compared two Desktop platform GPUs: 8GB VRAM RTX A1000 and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A1000 's Advantages
Released 2 years and 3 months late
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (192.0GB/s vs 128.0GB/s)
1536 additional rendering cores
Lower TDP (50W vs 53W)
AMD Radeon RX 6400 's Advantages
Boost Clock has increased by 59% (2321MHz vs 1462MHz)

Score

Benchmark

FP32 (float)
RTX A1000 +88%
6.737 TFLOPS
Radeon RX 6400
3.565 TFLOPS
RTX A1000
VS
Radeon RX 6400

Graphics Card

Apr 2024
Release Date
Jan 2022
Quadro Ampere
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x4

Clock Speeds

727 MHz
Base Clock
1923 MHz
1462 MHz
Boost Clock
2321 MHz
1500 MHz
Memory Clock
2000 MHz

Memory

8GB
Memory Size
4GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
64bit
192.0GB/s
Bandwidth
128.0GB/s

Render Config

-
Compute Units
12
18
SM Count
-
2304
Shading Units
768
72
TMUs
48
32
ROPs
32
72
Tensor Cores
-
18
RT Cores
12
128 KB (per SM)
L1 Cache
128 KB per Array
2 MB
L2 Cache
1024 KB
-
L3 Cache
16 MB

Theoretical Performance

46.78 GPixel/s
Pixel Rate
74.27 GPixel/s
105.3 GTexel/s
Texture Rate
111.4 GTexel/s
6.737 TFLOPS
FP16 (half)
7.130 TFLOPS
6.737 TFLOPS
FP32 (float)
3.565 TFLOPS
105.3 GFLOPS
FP64 (double)
222.8 GFLOPS

Board Design

50W
TDP
53W
250 W
Suggested PSU
250 W
4x mini-DisplayPort 1.4a
Outputs
1x HDMI 2.1 1x DisplayPort 1.4a
None
Power Connectors
None

Graphics Processor

GA107
GPU Name
Navi 24
-
GPU Variant
Navi 24 XL (215-135000046)
Ampere
Architecture
RDNA 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
6 nm
8.7 billion
Transistors
5.4 billion
200 mm²
Die Size
107 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
8.6
CUDA
-
6.7
Shader Model
6.7

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