AMD Radeon Instinct MI25 vs AMD Radeon HD 6870
GPU · Specs Compare
Graphics Card
Release Date
Jun 2017
Oct 2010
Generation
Radeon Instinct
Northern Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1400 MHz
—
Boost Clock
1500 MHz
—
Memory Clock
852 MHz
1050 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
HBM2
GDDR5
Memory Bus
2048bit
256bit
Bandwidth
436.2GB/s
134.4GB/s
Render Config
Compute Units
64
14
Shading Units
4096
1120
TMUs
256
56
ROPs
64
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
96.00 GPixel/s
28.80 GPixel/s
Texture Rate
384.0 GTexel/s
50.40 GTexel/s
FP16 (half)
24.58 TFLOPS
—
FP32 (float)
12.29 TFLOPS
2.016 TFLOPS
FP64 (double)
768.0 GFLOPS
—
Graphics Processor
GPU Name
Vega 10
Barts
GPU Variant
Vega 10 XT GL(215-0894124)
Barts XT(215-0798000)
Architecture
GCN 5.0
TeraScale 2
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
12.5 billion
1.7 billion
Die Size
495 mm²
255 mm²
Board Design
TDP
300W
151W
Suggested PSU
700 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2
N/A
Shader Model
6.4
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.