AMD Radeon Instinct MI308X vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Sep 2025
Generation
Radeon Instinct
Navi III
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
1900 MHz
Boost Clock
2100 MHz
2600 MHz
Memory Clock
1300 MHz
2430 MHz
Memory
Memory Size
192GB
16GB
Memory Type
HBM3
GDDR6
Memory Bus
8192bit
256bit
Bandwidth
5.32TB/s
622.1GB/s
Render Config
Compute Units
304
40
Shading Units
19456
2560
TMUs
1216
160
ROPs
0
96
Tensor Cores
1216
-
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
16 MB
2 MB
L3 Cache
256 MB
64 MB
RT Cores
-
40
Theoretical Performance
Pixel Rate
0 MPixel/s
249.6 GPixel/s
Texture Rate
2553.6 GTexel/s
416.0 GTexel/s
FP16 (half)
81.72 TFLOPS
53.25 TFLOPS
FP32 (float)
81.72 TFLOPS
26.62 TFLOPS
FP64 (double)
40.86 TFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Navi 32
Architecture
CDNA 3.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
153 billion
28.1 billion
Die Size
1017 mm²
346 mm²
GPU Variant
-
Navi 32
Board Design
TDP
750W
200W
Suggested PSU
1150 W
550 W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
Shader Model
N/A
6.8