AMD Radeon HD 6850 X2 vs AMD Ryzen Z2 Extreme GPU
GPU · Specs Compare
Graphics Card
Release Date
Sep 2011
Jul 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
2GB
16GB
Memory Type
GDDR5
LPDDR5X
Memory Bus
256bit
128bit
Bandwidth
134.4GB/s
128.0GB/s
Render Config
Compute Units
12
16
Shading Units
960
1024
TMUs
48
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
25.60 GPixel/s
129.6 GPixel/s
Texture Rate
38.40 GTexel/s
172.8 GTexel/s
FP32 (float)
1.536 TFLOPS
5.530 TFLOPS
FP16 (half)
—
11.06 TFLOPS
FP64 (double)
—
345.6 GFLOPS
Graphics Processor
GPU Name
Barts
Strix Point
GPU Variant
Barts PRO(215-0798006)
100-000001684
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
254W
28W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x USB Type-C
Power Connectors
2x 8-pin
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.