NVIDIA GeForce RTX 4070 AD103 vs AMD Radeon HD 6870
GPU Specs Compare
Graphics Card
Release Date
Mar 2024
Oct 2010
Generation
GeForce 40
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1920 MHz
-
Boost Clock
2475 MHz
-
Memory Clock
1313 MHz
1050 MHz
Memory
Memory Size
12GB
1024MB
Memory Type
GDDR6X
GDDR5
Memory Bus
192bit
256bit
Bandwidth
504.2GB/s
134.4GB/s
Render Config
SM Count
46
-
Shading Units
5888
1120
TMUs
184
56
ROPs
64
32
Tensor Cores
184
-
RT Cores
46
-
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
36 MB
512 KB
Compute Units
-
14
Theoretical Performance
Pixel Rate
158.4 GPixel/s
28.80 GPixel/s
Texture Rate
455.4 GTexel/s
50.40 GTexel/s
FP16 (half)
29.15 TFLOPS
-
FP32 (float)
29.15 TFLOPS
2.016 TFLOPS
FP64 (double)
455.4 GFLOPS
-
Graphics Processor
GPU Name
AD103
Barts
GPU Variant
AD103-175-K1-A1
Barts XT(215-0798000)
Architecture
Ada Lovelace
TeraScale 2
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
45.9 billion
1.7 billion
Die Size
379 mm²
255 mm²
Board Design
TDP
200W
151W
Suggested PSU
550 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
1x 16-pin
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
1.3
N/A
CUDA
8.9
-
Shader Model
6.7
5.0