NVIDIA GeForce GTX 870M vs AMD Radeon Instinct MI355X
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Jun 2025
Generation
GeForce 800M
Radeon Instinct
Type
Mobile
Professional
Bus Interface
MXM-B (3.0)
PCIe 5.0 x16
Clock Speeds
Base Clock
941 MHz
1000 MHz
Boost Clock
967 MHz
2400 MHz
Memory Clock
1250 MHz
2000 MHz
Memory
Memory Size
3GB
288GB
Memory Type
GDDR5
HBM3e
Memory Bus
192bit
8192bit
Bandwidth
120.0GB/s
8.19TB/s
Render Config
Shading Units
1344
16384
TMUs
112
1024
ROPs
24
0
L1 Cache
16 KB (per SMX)
32 KB (per CU)
L2 Cache
384 KB
32 MB
Compute Units
-
256
Tensor Cores
-
1216
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
27.08 GPixel/s
0 MPixel/s
Texture Rate
108.3 GTexel/s
2457.6 GTexel/s
FP32 (float)
2.599 TFLOPS
78.64 TFLOPS
FP64 (double)
108.3 GFLOPS
39.32 TFLOPS
FP16 (half)
-
78.64 TFLOPS
Graphics Processor
GPU Name
GK104
MI350 256CU
GPU Variant
N15E-GT-A2
-
Architecture
Kepler
CDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
3 nm
Transistors
3.54 billion
185 billion
Die Size
294 mm²
Unknown
Board Design
TDP
100W
1400W
Outputs
No outputs
No outputs
Power Connectors
None
None
Suggested PSU
-
1800 W
Graphics Features
DirectX
12 (11_0)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.1
N/A
CUDA
3.0
-
Shader Model
5.1
N/A