AMD Radeon Instinct MI300X vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Mar 2011
Generation
Radeon Instinct
Northern Islands
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1000 MHz
-
Boost Clock
2100 MHz
-
Memory Clock
1300 MHz
1250 MHz
Memory
Memory Size
192GB
2GB
Memory Type
HBM3
GDDR5
Memory Bus
8192bit
256bit
Bandwidth
5.32TB/s
160.0GB/s
Render Config
Compute Units
304
24
Shading Units
19456
1536
TMUs
1216
96
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
26.56 GPixel/s
Texture Rate
2553.6 GTexel/s
79.68 GTexel/s
FP16 (half)
81.72 TFLOPS
-
FP32 (float)
81.72 TFLOPS
2.550 TFLOPS
FP64 (double)
40.86 TFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Antilles
Architecture
CDNA 3.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
153 billion
2.64 billion
Die Size
1017 mm²
389 mm²
GPU Variant
-
Antilles XT(215-0807027)
Board Design
TDP
750W
375W
Suggested PSU
1150 W
750 W
Outputs
No outputs
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-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