Home GPU Comparison AMD Radeon RX 6600S vs NVIDIA GeForce GTX 860M OEM

AMD Radeon RX 6600S vs NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 2GB VRAM GeForce GTX 860M OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages
Released 6 years and 11 months late
Boost Clock has increased by 84% (2000MHz vs 1085MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 80.19GB/s)
1152 additional rendering cores
NVIDIA GeForce GTX 860M OEM 's Advantages
Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)
Radeon RX 6600S +416%
7.168 TFLOPS
GeForce GTX 860M OEM
1.389 TFLOPS
Blender
Radeon RX 6600S +961%
1115
GeForce GTX 860M OEM
105
VS

Graphics Card

Jan 2022
Release Date
Feb 2015
Mobility Radeon
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
MXM-B (3.0)

Clock Speeds

1700 MHz
Base Clock
1020 MHz
2000 MHz
Boost Clock
1085 MHz
1750 MHz
Memory Clock
1253 MHz

Memory

4GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
128bit
224.0GB/s
Bandwidth
80.19GB/s

Render Config

28
Compute Units
-
-
-
-
1792
Shading Units
640
112
TMUs
40
64
ROPs
16
-
-
-
28
RT Cores
-
128 KB per Array
L1 Cache
64 KB (per SMM)
2 MB
L2 Cache
2 MB
32 MB
L3 Cache
-

Theoretical Performance

128.0 GPixel/s
Pixel Rate
17.36 GPixel/s
224.0 GTexel/s
Texture Rate
43.40 GTexel/s
14.34 TFLOPS
FP16 (half)
-
7.168 TFLOPS
FP32 (float)
1389 GFLOPS
448.0 GFLOPS
FP64 (double)
43.40 GFLOPS

Board Design

80W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Navi 23
GPU Name
GM107
-
GPU Variant
N15P-GX-A1
RDNA 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
11.06 billion
Transistors
1.87 billion
237 mm²
Die Size
148 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
5.0
6.5
Shader Model
5.1

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