AMD Radeon Instinct MI300A vs AMD Radeon HD 6870
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Oct 2010
Generation
Radeon Instinct
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1000 MHz
-
Boost Clock
2100 MHz
-
Memory Clock
2525 MHz
1050 MHz
Memory
Memory Size
192GB
1024MB
Memory Type
HBM3
GDDR5
Memory Bus
8192bit
256bit
Bandwidth
10.3TB/s
134.4GB/s
Render Config
Compute Units
304
14
Shading Units
19456
1120
TMUs
1216
56
ROPs
0
32
Tensor Cores
1216
-
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
16 MB
512 KB
L3 Cache
256 MB
-
Theoretical Performance
Pixel Rate
0 MPixel/s
28.80 GPixel/s
Texture Rate
2554 GTexel/s
50.40 GTexel/s
FP16 (half)
653.7 TFLOPS
-
FP32 (float)
81.72 TFLOPS
2.016 TFLOPS
FP64 (double)
81.72 TFLOPS
-
Graphics Processor
GPU Name
Aqua Vanjaram
Barts
Architecture
CDNA 3.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
153 billion
1.7 billion
Die Size
1017 mm²
255 mm²
GPU Variant
-
Barts XT(215-0798000)
Board Design
TDP
750W
151W
Suggested PSU
1150 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
None
2x 6-pin
Graphics Features
DirectX
N/A
11.2 (11_0)
OpenGL
N/A
4.4
OpenCL
3.0
1.2
Vulkan
N/A
N/A
Shader Model
N/A
5.0