AMD Radeon Instinct MI300X vs AMD Radeon HD 7970 GHz Edition
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Jun 2012
Generation
Radeon Instinct
Southern Islands
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
1000 MHz
Boost Clock
2100 MHz
1050 MHz
Memory Clock
1300 MHz
1500 MHz
Memory
Memory Size
192GB
3GB
Memory Type
HBM3
GDDR5
Memory Bus
8192bit
384bit
Bandwidth
5.32TB/s
288.0GB/s
Render Config
Compute Units
304
32
Shading Units
19456
2048
TMUs
1216
128
ROPs
0
32
Tensor Cores
1216
-
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
768 KB
L3 Cache
256 MB
-
Theoretical Performance
Pixel Rate
0 MPixel/s
33.60 GPixel/s
Texture Rate
2553.6 GTexel/s
134.4 GTexel/s
FP16 (half)
81.72 TFLOPS
-
FP32 (float)
81.72 TFLOPS
4.301 TFLOPS
FP64 (double)
40.86 TFLOPS
1075 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Tahiti
Architecture
CDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
153 billion
4.313 billion
Die Size
1017 mm²
352 mm²
GPU Variant
-
Tahiti XT2(215-0821065)
Board Design
TDP
750W
300W
Suggested PSU
1150 W
700 W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
Shader Model
N/A
5.1