GeForce GTX 870M and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score GeForce GTX 870M vs Radeon RX 6600 XT
GeForce GTX 870M
3552
Radeon RX 6600 XT
16985
GeForce GTX 870M
Radeon RX 6600 XT
Architecture
Kepler (2012−2018)
Navi / RDNA2 (2020−2022)
GPU code name
N15P-GT
Navi 23
Market segment
Laptop
Desktop
Release date
March 2014
July 2021
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 4.0 x8
Supplementary power connectors
None
1x 8-pin
SLI options
+
-
Boost clock speed
967 MHz
2589 MHz
Core clock speed
941 MHz
1968 MHz
CUDA cores
1344
-
Floating-point performance
2,599 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
3,540 million
11,060 million
Pipelines / CUDA cores
1344
2048
Power consumption (TDP)
100 Watt
160 (TGP) Watt
Texture fill rate
108.3
331.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
8 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
Up to 2500 MHz
16000 MHz
Memory bandwidth
120.0 GB/s
256.0 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
+
7.1 channel HD audio on HDMI
+
-
DirectX
12 (11_0)
12.0 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-