GeForce RTX 4070 Max Q vs Mobility Radeon HD 3870
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Max Q and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4070 Max Q Advantages
Released 14 years and 7 months late
Boost Clock1230MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (256.0GB/s vs 54.40GB/s)
4288 additional rendering cores
Lower TDP (35W vs 55W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 Max Q
+2587%
11340
Mobility Radeon HD 3870
422
Graphics Card
Jan 2023
Release Date
Jun 2008
GeForce 40 Mobile
Generation
M8x
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
735 MHz
Base Clock
-
1230 MHz
Boost Clock
-
2000 MHz
Memory Clock
850 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
128bit
Memory Bus
256bit
256.0GB/s
Bandwidth
54.40GB/s
Render Config
-
Compute Units
4
36
SM Count
-
4608
Shading Units
320
144
TMUs
16
48
ROPs
16
144
Tensor Cores
-
36
RT Cores
-
128 KB (per SM)
L1 Cache
-
32 MB
L2 Cache
256 KB
Theoretical Performance
59.04 GPixel/s
Pixel Rate
10.56 GPixel/s
177.1 GTexel/s
Texture Rate
10.56 GTexel/s
11.34 TFLOPS
FP16 (half)
-
11.34 TFLOPS
FP32 (float)
422.4 GFLOPS
177.1 GFLOPS
FP64 (double)
84.48 GFLOPS
Board Design
35W
TDP
55W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
AD106
GPU Name
M88
GN21-X6
GPU Variant
-
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
22.9 billion
Transistors
0.666 billion
188 mm²
Die Size
192 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.3
Vulkan
N/A
8.9
CUDA
-
6.8
Shader Model
4.1