GeForce RTX 4070 Mobile vs Radeon RX 6850M XT
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 12GB VRAM Radeon RX 6850M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4070 Mobile 's Advantages
Released 1 years late
2048 additional rendering cores
Lower TDP (115W vs 165W)
Radeon RX 6850M XT 's Advantages
Boost Clock has increased by 52% (2581MHz vs 1695MHz)
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (384.0GB/s vs 256.0GB/s)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 Mobile
+18%
15620
Radeon RX 6850M XT
13210
3DMark Time Spy
GeForce RTX 4070 Mobile
+15%
12501
Radeon RX 6850M XT
10829
3DMark Time Spy Extreme
GeForce RTX 4070 Mobile
+4%
5699
Radeon RX 6850M XT
5456
3DMark Speed Way
GeForce RTX 4070 Mobile
+34%
2924
Radeon RX 6850M XT
2177
Blender
GeForce RTX 4070 Mobile
+170%
4078
Radeon RX 6850M XT
1510
Graphics Card
Jan 2023
Release Date
Jan 2022
GeForce 40 Mobile
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1395 MHz
Base Clock
2321 MHz
1695 MHz
Boost Clock
2581 MHz
2000 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
12GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
192bit
256.0GB/s
Bandwidth
384.0GB/s
Render Config
-
Compute Units
40
36
SM Count
-
4608
Shading Units
2560
144
TMUs
160
48
ROPs
64
144
Tensor Cores
-
36
RT Cores
40
128 KB (per SM)
L1 Cache
128 KB per Array
32 MB
L2 Cache
3 MB
-
L3 Cache
96 MB
Theoretical Performance
81.36 GPixel/s
Pixel Rate
165.2 GPixel/s
244.1 GTexel/s
Texture Rate
413.0 GTexel/s
15.62 TFLOPS
FP16 (half)
26.43 TFLOPS
15.62 TFLOPS
FP32 (float)
13.21 TFLOPS
244.1 GFLOPS
FP64 (double)
825.9 GFLOPS
Board Design
115W
TDP
165W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
AD106
GPU Name
Navi 22
GN21-X6
GPU Variant
Navi 22 XTM
Ada Lovelace
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
7 nm
22.9 billion
Transistors
17.2 billion
188 mm²
Die Size
335 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.9
CUDA
-
6.8
Shader Model
6.5