AMD Radeon HD 6870 X2 vs NVIDIA GeForce RTX 5070 Mobile
GPU Specs Compare
Graphics Card
Release Date
Jul 2011
Apr 2025
Generation
Northern Islands
GeForce 50 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1050 MHz
1500 MHz
Base Clock
-
907 MHz
Boost Clock
-
1425 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
128bit
Bandwidth
134.4GB/s
384.0GB/s
Render Config
Compute Units
14
-
Shading Units
1120
4608
TMUs
56
144
ROPs
32
48
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
32 MB
SM Count
-
36
Tensor Cores
-
144
RT Cores
-
36
Theoretical Performance
Pixel Rate
28.80 GPixel/s
68.40 GPixel/s
Texture Rate
50.40 GTexel/s
205.2 GTexel/s
FP32 (float)
2.016 TFLOPS
13.13 TFLOPS
FP16 (half)
-
13.13 TFLOPS
FP64 (double)
-
205.2 GFLOPS
Graphics Processor
GPU Name
Barts
GB206
GPU Variant
Barts XT(215-0798000)
GB206
Architecture
TeraScale 2
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
1.7 billion
21.9 billion
Die Size
255 mm²
181 mm²
Board Design
TDP
300W
50W
Suggested PSU
700 W
300 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Portable Device Dependent
Power Connectors
-
None
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.4
Shader Model
5.0
6.8
CUDA
-
12.0
📊 Benchmark
3DMark Time Spy
-
13,629