AMD Radeon 780M vs AMD Radeon Instinct MI355X
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Jun 2025
Generation
Navi III IGP
Radeon Instinct
Type
Integrated
Professional
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
800 MHz
1000 MHz
Boost Clock
2700 MHz
2400 MHz
Memory Clock
System Shared
2000 MHz
Memory
Memory Size
System Shared
288GB
Memory Type
System Shared
HBM3e
Memory Bus
System Shared
8192bit
Bandwidth
System Dependent
8.19TB/s
Render Config
Compute Units
12
256
Shading Units
768
16384
TMUs
48
1024
ROPs
32
0
RT Cores
12
-
L1 Cache
128 KB per Array
32 KB (per CU)
L2 Cache
2 MB
32 MB
Tensor Cores
-
1216
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
86.40 GPixel/s
0 MPixel/s
Texture Rate
129.6 GTexel/s
2457.6 GTexel/s
FP16 (half)
16.59 TFLOPS
78.64 TFLOPS
FP32 (float)
8.294 TFLOPS
78.64 TFLOPS
FP64 (double)
518.4 GFLOPS
39.32 TFLOPS
Graphics Processor
GPU Name
Phoenix
MI350 256CU
Architecture
RDNA 3.0
CDNA 4.0
Foundry
TSMC
TSMC
Process Size
4 nm
3 nm
Transistors
25.39 billion
185 billion
Die Size
178 mm²
Unknown
Board Design
TDP
15W
1400W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Suggested PSU
-
1800 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.7
N/A
📊 Benchmark
3DMark Time Spy
2,775
-
3DMark Time Spy Extreme
1,324
-
3DMark Speed Way
458
-
Blender
350
-