AMD Radeon HD 6870 X2 vs AMD Ryzen AI Z2 Extreme GPU
GPU Specs Compare
Graphics Card
Release Date
Jul 2011
Oct 2025
Generation
Northern Islands
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 2.0 x16
-
Clock Speeds
Memory Clock
1050 MHz
1000 MHz
Base Clock
-
800 MHz
Boost Clock
-
2700 MHz
Memory
Memory Size
1024MB
16GB
Memory Type
GDDR5
LPDDR5X
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
256.0GB/s
Render Config
Compute Units
14
16
Shading Units
1120
1024
TMUs
56
64
ROPs
32
48
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
8 MB
RT Cores
-
16
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
129.6 GPixel/s
Texture Rate
50.40 GTexel/s
172.8 GTexel/s
FP32 (float)
2.016 TFLOPS
5.530 TFLOPS
FP16 (half)
-
11.06 TFLOPS
FP64 (double)
-
345.6 GFLOPS
Graphics Processor
GPU Name
Barts
Strix Point
GPU Variant
Barts XT(215-0798000)
100-000001885
Architecture
TeraScale 2
RDNA 3.5
Foundry
TSMC
TSMC
Process Size
40 nm
4 nm
Transistors
1.7 billion
34 billion
Die Size
255 mm²
233 mm²
Board Design
TDP
300W
28W
Suggested PSU
700 W
-
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x USB Type-C
Power Connectors
-
None
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.4
Shader Model
5.0
6.8