AMD Radeon HD 6870 X2 vs AMD Radeon Pro V520
GPU · Specs Compare
Graphics Card
Release Date
Jul 2011
Dec 2020
Generation
Northern Islands
Radeon Pro
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 MHz
1000 MHz
Base Clock
—
1000 MHz
Boost Clock
—
1600 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
2048bit
Bandwidth
134.4GB/s
512.0GB/s
Render Config
Compute Units
14
36
Shading Units
1120
2304
TMUs
56
144
ROPs
32
64
L1 Cache
8 KB (per CU)
—
L2 Cache
512 KB
4 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
102.4 GPixel/s
Texture Rate
50.40 GTexel/s
230.4 GTexel/s
FP32 (float)
2.016 TFLOPS
7.373 TFLOPS
FP16 (half)
—
14.75 TFLOPS
FP64 (double)
—
460.8 GFLOPS
Graphics Processor
GPU Name
Barts
Navi 12
GPU Variant
Barts XT(215-0798000)
Navi 12
Architecture
TeraScale 2
RDNA 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
7 nm
Transistors
1.7 billion
Unknown
Die Size
255 mm²
Unknown
Board Design
TDP
300W
225W
Suggested PSU
700 W
550 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
—
1x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
2.2
Vulkan
N/A
1.3
Shader Model
5.0
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.