AMD Radeon Instinct MI355X vs Intel Arc B770
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Jan 2026
Generation
Radeon Instinct
Battlemage
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
2100 MHz
Boost Clock
2400 MHz
2400 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
288GB
16GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
256bit
Bandwidth
8.19TB/s
512.0GB/s
Render Config
Compute Units
256
—
Shading Units
16384
4096
TMUs
1024
256
ROPs
0
128
Tensor Cores
1216
—
L1 Cache
32 KB (per CU)
—
L2 Cache
32 MB
16 MB
L3 Cache
256 MB
—
RT Cores
—
32
Theoretical Performance
Pixel Rate
0 MPixel/s
307.2 GPixel/s
Texture Rate
2457.6 GTexel/s
614.4 GTexel/s
FP16 (half)
78.64 TFLOPS
39.32 TFLOPS
FP32 (float)
78.64 TFLOPS
19.66 TFLOPS
FP64 (double)
39.32 TFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
MI350 256CU
BMG-G31
Architecture
CDNA 4.0
Xe2-HPG
Foundry
TSMC
TSMC
Process Size
3 nm
5 nm
Transistors
185 billion
Unknown
Die Size
Unknown
Unknown
Board Design
TDP
1400W
225W
Suggested PSU
1800 W
550 W
Outputs
No outputs
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.4
Shader Model
N/A
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.