NVIDIA RTX 4000 SFF Ada Generation vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
Sep 2025
Generation
Radeon Instinct
Navi III
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1200 MHz
1900 MHz
Boost Clock
1746 MHz
2600 MHz
Memory Clock
1000 MHz
2430 MHz
Memory
Memory Size
16GB
16GB
Memory Type
HBM2
GDDR6
Memory Bus
4096bit
256bit
Bandwidth
1.02TB/s
622.1GB/s
Render Config
SM Count
48
-
Compute Units
60
40
Shading Units
3840
2560
TMUs
240
160
ROPs
64
96
Tensor Cores
192
-
RT Cores
48
40
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
249.6 GPixel/s
Texture Rate
419.0 GTexel/s
416.0 GTexel/s
FP16 (half)
26.82 TFLOPS
53.25 TFLOPS
FP32 (float)
13.41 TFLOPS
26.62 TFLOPS
FP64 (double)
6.705 TFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
Vega 20
Navi 32
GPU Variant
Vega 20 GLXT
Navi 32
Architecture
GCN 5.1
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
13.23 billion
28.1 billion
Die Size
331 mm²
346 mm²
Board Design
TDP
300W
200W
Suggested PSU
700 W
550 W
Outputs
1x mini-DisplayPort 1.4a
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
2x 8-pin
1x 8-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