GeForce RTX 4070 Max Q vs Radeon HD 6870M
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Max Q and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4070 Max Q Advantages
Released 12 years late
Boost Clock1230MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)
3808 additional rendering cores
Lower TDP (35W vs 50W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 Max Q
+950%
11340
Radeon HD 6870M
1080
Graphics Card
Jan 2023
Release Date
Jan 2011
GeForce 40 Mobile
Generation
Vancouver
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
735 MHz
Base Clock
-
1230 MHz
Boost Clock
-
2000 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
128bit
256.0GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
10
36
SM Count
-
4608
Shading Units
800
144
TMUs
40
48
ROPs
16
144
Tensor Cores
-
36
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
32 MB
L2 Cache
256 KB
Theoretical Performance
59.04 GPixel/s
Pixel Rate
10.80 GPixel/s
177.1 GTexel/s
Texture Rate
27.00 GTexel/s
11.34 TFLOPS
FP16 (half)
-
11.34 TFLOPS
FP32 (float)
1080 GFLOPS
177.1 GFLOPS
FP64 (double)
-
Board Design
35W
TDP
50W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
AD106
GPU Name
Granville
GN21-X6
GPU Variant
Granville XT
(216-0769024)
(216-0769024)
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
22.9 billion
Transistors
1.04 billion
188 mm²
Die Size
166 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.9
CUDA
-
6.8
Shader Model
5.0