AMD Radeon HD 6870 vs AMD Radeon AI PRO R9700S
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Dec 2025
Generation
Northern Islands
Radeon Pro Navi
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1050 MHz
2518 MHz
Base Clock
—
1660 MHz
Boost Clock
—
2920 MHz
Memory
Memory Size
1024MB
32GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
644.6GB/s
Render Config
Compute Units
14
64
Shading Units
1120
4096
TMUs
56
256
ROPs
32
128
L1 Cache
8 KB (per CU)
—
L2 Cache
512 KB
8 MB
RT Cores
—
64
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
373.8 GPixel/s
Texture Rate
50.40 GTexel/s
747.5 GTexel/s
FP32 (float)
2.016 TFLOPS
47.84 TFLOPS
FP16 (half)
—
95.68 TFLOPS
FP64 (double)
—
1495.0 GFLOPS
Graphics Processor
GPU Name
Barts
Navi 48
GPU Variant
Barts XT(215-0798000)
Navi 48 XTW
Architecture
TeraScale 2
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
40 nm
4 nm
Transistors
1.7 billion
53.9 billion
Die Size
255 mm²
357 mm²
Board Design
TDP
151W
300W
Suggested PSU
450 W
700 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
4x DisplayPort 2.1a
Power Connectors
2x 6-pin
1x 16-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.2
Vulkan
N/A
1.4
Shader Model
5.0
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.