Product Compare

NVIDIA GeForce RTX 5070 Mobile vs AMD Radeon HD 6870

GPU GPU
Graphics Card
Release Date Apr 2025 Oct 2010
Generation GeForce 50 Mobile Northern Islands
Type Mobile Desktop
Bus Interface PCIe 5.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 907 MHz
Boost Clock 1425 MHz
Memory Clock 1500 MHz 1050 MHz
Memory
Memory Size 8GB 1024MB
Memory Type GDDR7 GDDR5
Memory Bus 128bit 256bit
Bandwidth 384.0GB/s 134.4GB/s
Render Config
SM Count 36
Shading Units 4608 1120
TMUs 144 56
ROPs 48 32
Tensor Cores 144
RT Cores 36
L1 Cache 128 KB (per SM) 8 KB (per CU)
L2 Cache 32 MB 512 KB
Compute Units 14
Theoretical Performance
Pixel Rate 68.40 GPixel/s 28.80 GPixel/s
Texture Rate 205.2 GTexel/s 50.40 GTexel/s
FP16 (half) 13.13 TFLOPS
FP32 (float) 13.13 TFLOPS 2.016 TFLOPS
FP64 (double) 205.2 GFLOPS
Graphics Processor
GPU Name GB206 Barts
GPU Variant GB206 Barts XT(215-0798000)
Architecture Blackwell 2.0 TeraScale 2
Foundry TSMC TSMC
Process Size 5 nm 40 nm
Transistors 21.9 billion 1.7 billion
Die Size 181 mm² 255 mm²
Board Design
TDP 50W 151W
Suggested PSU 300 W 450 W
Outputs Portable Device Dependent 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors None 2x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 3.0 1.2
Vulkan 1.4 N/A
CUDA 12.0
Shader Model 6.8 5.0