AMD Radeon HD 6870 vs AMD Radeon Instinct MI350X
GPU Specs Compare
Graphics Card
Release Date
Oct 2010
Jun 2025
Generation
Northern Islands
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1050 MHz
2000 MHz
Base Clock
-
1000 MHz
Boost Clock
-
2200 MHz
Memory
Memory Size
1024MB
288GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
8192bit
Bandwidth
134.4GB/s
8.19TB/s
Render Config
Compute Units
14
256
Shading Units
1120
16384
TMUs
56
1024
ROPs
32
0
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
16 MB
Tensor Cores
-
1024
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
0 MPixel/s
Texture Rate
50.40 GTexel/s
2252.8 GTexel/s
FP32 (float)
2.016 TFLOPS
72.09 TFLOPS
FP16 (half)
-
72.09 TFLOPS
FP64 (double)
-
36.04 TFLOPS
Graphics Processor
GPU Name
Barts
MI350 256CU
GPU Variant
Barts XT(215-0798000)
-
Architecture
TeraScale 2
CDNA 4.0
Foundry
TSMC
TSMC
Process Size
40 nm
3 nm
Transistors
1.7 billion
185 billion
Die Size
255 mm²
Unknown
Board Design
TDP
151W
1000W
Suggested PSU
450 W
1400 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
11.2 (11_0)
N/A
OpenGL
4.4
N/A
OpenCL
1.2
3.0
Vulkan
N/A
N/A
Shader Model
5.0
N/A