NVIDIA GeForce RTX 5070 Ti Mobile vs AMD Radeon Instinct MI455X
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Jul 2026
Generation
GeForce 50 Mobile
Radeon Instinct
Type
Mobile
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
847 MHz
1000 MHz
Boost Clock
1447 MHz
2400 MHz
Memory Clock
1750 MHz
1900 MHz
Memory
Memory Size
12GB
432GB
Memory Type
GDDR7
HBM4
Memory Bus
192bit
24576bit
Bandwidth
672.0GB/s
23.3TB/s
Render Config
SM Count
46
-
Shading Units
5888
32768
TMUs
184
1024
ROPs
80
0
Tensor Cores
184
-
RT Cores
46
-
L1 Cache
128 KB (per SM)
32 KB (per CU)
L2 Cache
48 MB
192 MB
Compute Units
-
256
Theoretical Performance
Pixel Rate
115.8 GPixel/s
0 MPixel/s
Texture Rate
266.2 GTexel/s
2457.6 GTexel/s
FP16 (half)
17.04 TFLOPS
157.3 TFLOPS
FP32 (float)
17.04 TFLOPS
157.3 TFLOPS
FP64 (double)
266.2 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
GB205
MI450 256CU
GPU Variant
GB205
-
Architecture
Blackwell 2.0
CDNA 5.0
Foundry
TSMC
TSMC
Process Size
5 nm
2 nm
Transistors
31.1 billion
320 billion
Die Size
263 mm²
Unknown
Board Design
TDP
60-115W
2300W
Suggested PSU
250 W
2700 W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.4
N/A
CUDA
12.0
-
Shader Model
6.8
N/A
📊 Benchmark
3DMark Time Spy
17,452
-
3DMark Time Spy Extreme
8,328
-
3DMark Speed Way
4,421
-