NVIDIA GeForce RTX 3070 Mobile vs AMD Radeon HD 6870 X2
GPU · Specs Compare
Graphics Card
Release Date
Jan 2021
Jul 2011
Generation
GeForce 30 Mobile
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1110 MHz
—
Boost Clock
1560 MHz
—
Memory Clock
1750 MHz
1050 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
134.4GB/s
Render Config
SM Count
40
—
Shading Units
5120
1120
TMUs
160
56
ROPs
80
32
Tensor Cores
160
—
RT Cores
40
—
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
4 MB
512 KB
Compute Units
—
14
Theoretical Performance
Pixel Rate
124.8 GPixel/s
28.80 GPixel/s
Texture Rate
249.6 GTexel/s
50.40 GTexel/s
FP16 (half)
15.97 TFLOPS
—
FP32 (float)
15.97 TFLOPS
2.016 TFLOPS
FP64 (double)
249.6 GFLOPS
—
Graphics Processor
GPU Name
GA104
Barts
GPU Variant
GA104-770-A1
Barts XT(215-0798000)
Architecture
Ampere
TeraScale 2
Foundry
Samsung
TSMC
Process Size
8 nm
40 nm
Transistors
17.4 billion
1.7 billion
Die Size
392 mm²
255 mm²
Board Design
TDP
115W
300W
Outputs
No outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
None
—
Suggested PSU
—
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
8.6
—
Shader Model
6.6
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.