NVIDIA GeForce RTX 4070 Ti vs AMD Radeon Instinct MI455X
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Jul 2026
Generation
GeForce 40
Radeon Instinct
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
2310 MHz
1000 MHz
Boost Clock
2610 MHz
2400 MHz
Memory Clock
1313 MHz
1900 MHz
Memory
Memory Size
12GB
432GB
Memory Type
GDDR6X
HBM4
Memory Bus
192bit
24576bit
Bandwidth
504.2GB/s
23.3TB/s
Render Config
SM Count
60
-
Shading Units
7680
32768
TMUs
240
1024
ROPs
80
0
Tensor Cores
240
-
RT Cores
60
-
L1 Cache
128 KB (per SM)
32 KB (per CU)
L2 Cache
48 MB
192 MB
Compute Units
-
256
Theoretical Performance
Pixel Rate
208.8 GPixel/s
0 MPixel/s
Texture Rate
626.4 GTexel/s
2457.6 GTexel/s
FP16 (half)
40.09 TFLOPS
157.3 TFLOPS
FP32 (float)
40.09 TFLOPS
157.3 TFLOPS
FP64 (double)
626.4 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
AD104
MI450 256CU
GPU Variant
AD104-400-A1
-
Architecture
Ada Lovelace
CDNA 5.0
Foundry
TSMC
TSMC
Process Size
4 nm
2 nm
Transistors
35.8 billion
320 billion
Die Size
295 mm²
Unknown
Board Design
TDP
285W
2300W
Suggested PSU
600 W
2700 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.9
-
Shader Model
6.7
N/A