AMD Instinct MI300X vs AMD Radeon R7 265X OEM
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Aug 2014
Generation
Radeon Instinct
Volcanic Islands
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
900 MHz
Boost Clock
2100 MHz
925 MHz
Memory Clock
2525 MHz
1400 MHz
Memory
Memory Size
192GB
2GB
Memory Type
HBM3
GDDR5
Memory Bus
8192bit
256bit
Bandwidth
10.3TB/s
179.2GB/s
Render Config
Compute Units
304
20
Shading Units
19456
1280
TMUs
1216
80
ROPs
0
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
512 KB
L3 Cache
256 MB
—
Theoretical Performance
Pixel Rate
0 MPixel/s
29.60 GPixel/s
Texture Rate
2553.6 GTexel/s
74.00 GTexel/s
FP16 (half)
653.7 TFLOPS
—
FP32 (float)
81.72 TFLOPS
2.368 TFLOPS
FP64 (double)
81.72 TFLOPS
148.0 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Curacao
Architecture
CDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
153 billion
2.8 billion
Die Size
1017 mm²
212 mm²
GPU Variant
—
Curacao PRO(215-0848000)
Board Design
TDP
750W
150W
Suggested PSU
1150 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.