Home GPU Comparison NVIDIA RTX A400 vs AMD Radeon RX 8800 XT

NVIDIA RTX A400 vs AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages
Lower TDP (50W vs 220W)
AMD Radeon RX 8800 XT 's Advantages
Boost Clock has increased by 38% (2430MHz vs 1762MHz)
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (624.1GB/s vs 96.00GB/s)
3328 additional rendering cores

Score

Benchmark

FP32 (float)
RTX A400
2.706 TFLOPS
Radeon RX 8800 XT +635%
19.91 TFLOPS

Graphics Card

Apr 2024
Release Date
Unknown
Quadro Ampere(Ax000)
Generation
Navi IV(RX 8000)
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16

Clock Speeds

1417 MHz
Base Clock
1295 MHz
1762 MHz
Boost Clock
2430 MHz
1500 MHz
Memory Clock
2438 MHz

Memory

4GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
64bit
Memory Bus
256bit
96.00GB/s
Bandwidth
624.1GB/s

Render Config

-
Compute Units
64
6
SM Count
-
768
Shading Units
4096
24
TMUs
256
16
ROPs
96
24
Tensor Cores
-
6
RT Cores
64
128 KB (per SM)
L1 Cache
128 KB per Array
2 MB
L2 Cache
4 MB
-
L3 Cache
64 MB

Theoretical Performance

28.19 GPixel/s
Pixel Rate
233.3 GPixel/s
42.29 GTexel/s
Texture Rate
622.1 GTexel/s
2.706 TFLOPS
FP16 (half)
39.81 TFLOPS
2.706 TFLOPS
FP32 (float)
19.91 TFLOPS
42.29 GFLOPS
FP64 (double)
622.1 GFLOPS

Board Design

50W
TDP
220W
250 W
Suggested PSU
550 W
4x mini-DisplayPort 1.4a
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
None
Power Connectors
2x 8-pin

Graphics Processor

GA107
GPU Name
Navi 48
-
GPU Variant
Navi 48 XT
Ampere
Architecture
RDNA 4.0
Samsung
Foundry
TSMC
8 nm
Process Size
4 nm
8.7 billion
Transistors
Unknown
200 mm²
Die Size
Unknown

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
-
6.8
Shader Model
6.8
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