
Radeon HD 6850M and GeForce RTX 4070 Mobile - video card comparison
Radeon HD 6850M
GeForce RTX 4070 Mobile
Architecture
Terascale 2 (2009−2015)
Ada Lovelace
GPU code name
Granville Pro/LP
GN21-X6
Market segment
Laptop
Laptop
Release date
January 2011
January 2023
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Boost clock speed
-
2175 MHz
Core clock speed
575 / 675 MHz
1605 MHz
Floating-point performance
1,080.0 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
1,040 million
-
Pipelines / CUDA cores
800
4608
Power consumption (TDP)
50 Watt
115 Watt (35 - 115 Watt TGP)
Texture fill rate
27.00
244.1
Memory type
DDR3, GDDR5
GDDR6
Maximum RAM amount
1 GB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
16000 MHz
Memory bandwidth
25.6 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
11.2 (11_0)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.7
Vulkan
N/A
1.3