AMD Radeon Instinct MI325X vs AMD Radeon RX 455 OEM
GPU · Specs Compare
Graphics Card
Release Date
Oct 2024
Jun 2016
Generation
Radeon Instinct
Arctic Islands
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
2100 MHz
—
Memory Clock
1500 MHz
1625 MHz
Memory
Memory Size
256GB
2GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
128bit
Bandwidth
6.14TB/s
104.0GB/s
Render Config
Compute Units
304
12
Shading Units
19456
768
TMUs
1216
48
ROPs
0
16
Tensor Cores
1216
—
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
256 KB
L3 Cache
256 MB
—
Theoretical Performance
Pixel Rate
0 MPixel/s
16.80 GPixel/s
Texture Rate
2553.6 GTexel/s
50.40 GTexel/s
FP16 (half)
81.72 TFLOPS
—
FP32 (float)
81.72 TFLOPS
1.613 TFLOPS
FP64 (double)
40.86 TFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Tobago
Architecture
CDNA 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
153 billion
2.08 billion
Die Size
1017 mm²
160 mm²
GPU Variant
—
Tobago PRO(215-0875010)
Board Design
TDP
1000W
100W
Suggested PSU
1400 W
300 W
Outputs
No outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.0
Vulkan
N/A
1.2
Shader Model
N/A
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.