NVIDIA GeForce RTX 5070 Mobile vs AMD Radeon HD 8870 OEM
GPU · Specs Compare
Graphics Card
Release Date
Apr 2025
Jan 2013
Generation
GeForce 50 Mobile
Sea Islands
Type
Mobile
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
907 MHz
—
Boost Clock
1425 MHz
—
Memory Clock
1500 MHz
1200 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
128bit
256bit
Bandwidth
384.0GB/s
153.6GB/s
Render Config
SM Count
36
—
Shading Units
4608
1280
TMUs
144
80
ROPs
48
32
Tensor Cores
144
—
RT Cores
36
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
32 MB
512 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
68.40 GPixel/s
32.00 GPixel/s
Texture Rate
205.2 GTexel/s
80.00 GTexel/s
FP16 (half)
13.13 TFLOPS
—
FP32 (float)
13.13 TFLOPS
2.560 TFLOPS
FP64 (double)
205.2 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
GB206
Pitcairn
GPU Variant
GB206
Pitcairn XT(215-0828047)
Architecture
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
21.9 billion
2.8 billion
Die Size
181 mm²
212 mm²
Board Design
TDP
50W
175W
Suggested PSU
300 W
450 W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.4
1.2
CUDA
12.0
—
Shader Model
6.8
5.1
Benchmark
3DMark Time Spy
13,629
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.