AMD Radeon Instinct MI455X vs NVIDIA GeForce GTX 650 Ti

GPU · Specs Compare

Products
GPU AMD Radeon Instinct MI455X AMD · 2026-07
GPU NVIDIA GeForce GTX 650 Ti NVIDIA · 2012-10
Graphics Card
Release Date
Jul 2026
Oct 2012
Generation
Radeon Instinct
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
2400 MHz
—
Memory Clock
1900 MHz
1350 MHz
Memory
Memory Size
432GB
1024MB
Memory Type
HBM4
GDDR5
Memory Bus
24576bit
128bit
Bandwidth
23.3TB/s
86.40GB/s
Render Config
Compute Units
256
—
Shading Units
32768
768
TMUs
1024
64
ROPs
0
16
L1 Cache
32 KB (per CU)
16 KB (per SMX)
L2 Cache
192 MB
256 KB
Theoretical Performance
Pixel Rate
0 MPixel/s
14.85 GPixel/s
Texture Rate
2457.6 GTexel/s
59.39 GTexel/s
FP16 (half)
157.3 TFLOPS
—
FP32 (float)
157.3 TFLOPS
1425 GFLOPS
FP64 (double)
2.458 TFLOPS
59.39 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
GK106
Architecture
CDNA 5.0
Kepler
Foundry
TSMC
TSMC
Process Size
2 nm
28 nm
Transistors
320 billion
2.54 billion
Die Size
Unknown
221 mm²
GPU Variant
—
GK106-220-A1
Board Design
TDP
2300W
110W
Suggested PSU
2700 W
300 W
Outputs
No outputs
2x DVI1x mini-HDMI 1.4a
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
N/A
12 (11_0)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.1
Shader Model
N/A
5.1
CUDA
—
3.0
▲ Specs Compare Data sourced from official specifications and benchmark tests.