AMD Radeon RX 9070 vs AMD Radeon Instinct MI355X
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Jun 2025
Generation
Navi IV
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1330 MHz
1000 MHz
Boost Clock
2520 MHz
2400 MHz
Memory Clock
2518 MHz
2000 MHz
Memory
Memory Size
16GB
288GB
Memory Type
GDDR6
HBM3e
Memory Bus
256bit
8192bit
Bandwidth
644.6GB/s
8.19TB/s
Render Config
Compute Units
56
256
Shading Units
3584
16384
TMUs
224
1024
ROPs
128
0
Tensor Cores
112
1216
RT Cores
56
-
L1 Cache
128 KB per Array
32 KB (per CU)
L2 Cache
8 MB
32 MB
L3 Cache
64 MB
256 MB
Theoretical Performance
Pixel Rate
322.6 GPixel/s
0 MPixel/s
Texture Rate
564.5 GTexel/s
2457.6 GTexel/s
FP16 (half)
72.25 TFLOPS
78.64 TFLOPS
FP32 (float)
36.13 TFLOPS
78.64 TFLOPS
FP64 (double)
1129 GFLOPS
39.32 TFLOPS
Graphics Processor
GPU Name
Navi 48
MI350 256CU
GPU Variant
Navi 48 XT(215-176600331)
-
Architecture
RDNA 4.0
CDNA 4.0
Foundry
TSMC
TSMC
Process Size
4 nm
3 nm
Transistors
53.9 billion
185 billion
Die Size
357 mm²
Unknown
Board Design
TDP
220W
1400W
Suggested PSU
550 W
1800 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1a
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.8
N/A