NVIDIA RTX 4000 SFF Ada Generation vs AMD Radeon RX 7400
GPU · Specs Compare
Graphics Card
Release Date
Nov 2018
Aug 2025
Generation
Radeon Instinct
Navi III
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1200 MHz
1452 MHz
Boost Clock
1746 MHz
2300 MHz
Memory Clock
1000 MHz
2250 MHz
Memory
Memory Size
16GB
8GB
Memory Type
HBM2
GDDR6
Memory Bus
4096bit
128bit
Bandwidth
1.02TB/s
288.0GB/s
Render Config
SM Count
48
—
Compute Units
60
28
Shading Units
3840
1792
TMUs
240
112
ROPs
64
64
Tensor Cores
192
—
RT Cores
48
28
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
2 MB
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
111.7 GPixel/s
147.2 GPixel/s
Texture Rate
419.0 GTexel/s
257.6 GTexel/s
FP16 (half)
26.82 TFLOPS
32.97 TFLOPS
FP32 (float)
13.41 TFLOPS
16.49 TFLOPS
FP64 (double)
6.705 TFLOPS
515.2 GFLOPS
Graphics Processor
GPU Name
Vega 20
Navi 33
GPU Variant
Vega 20 GLXT
Navi 33
Architecture
GCN 5.1
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
6 nm
Transistors
13.23 billion
13.3 billion
Die Size
331 mm²
204 mm²
Board Design
TDP
300W
43W
Suggested PSU
700 W
200 W
Outputs
1x mini-DisplayPort 1.4a
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
2x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.3
1.3
CUDA
8.9
—
Shader Model
6.7
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.