NVIDIA GeForce GTX 870M vs AMD Radeon Pro W6600M
GPU · Specs Compare
Graphics Card
Release Date
Mar 2014
Jun 2021
Generation
GeForce 800M
Radeon Pro Mobile
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Base Clock
941 MHz
1224 MHz
Boost Clock
967 MHz
2034 MHz
Memory Clock
1250 MHz
1750 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
128bit
Bandwidth
120.0GB/s
224.0GB/s
Render Config
Shading Units
1344
1792
TMUs
112
112
ROPs
24
64
L1 Cache
16 KB (per SMX)
128 KB per Array
L2 Cache
384 KB
2 MB
Compute Units
—
28
SM Count
—
66
Tensor Cores
—
264
RT Cores
—
28
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
27.08 GPixel/s
130.2 GPixel/s
Texture Rate
108.3 GTexel/s
227.8 GTexel/s
FP32 (float)
2.599 TFLOPS
7.290 TFLOPS
FP64 (double)
108.3 GFLOPS
455.6 GFLOPS
FP16 (half)
—
14.58 TFLOPS
Graphics Processor
GPU Name
GK104
Navi 23
GPU Variant
N15E-GT-A2
Navi 23 WKS-XM
Architecture
Kepler
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
3.54 billion
11.06 billion
Die Size
294 mm²
237 mm²
Board Design
TDP
100W
90W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Suggested PSU
—
600 W
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.0
8.9
Shader Model
5.1
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.