AMD Radeon RX 7900 XT vs AMD Instinct MI300X
GPU · Specs Compare
Graphics Card
Release Date
Nov 2022
Dec 2023
Generation
Navi III
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1387 MHz
1000 MHz
Boost Clock
2394 MHz
2100 MHz
Memory Clock
2500 MHz
2525 MHz
Memory
Memory Size
20GB
192GB
Memory Type
GDDR6
HBM3
Memory Bus
320bit
8192bit
Bandwidth
800.0GB/s
10.3TB/s
Render Config
Compute Units
84
304
Shading Units
5376
19456
TMUs
336
1216
ROPs
192
0
RT Cores
84
—
L1 Cache
256 KB per Array
16 KB (per CU)
L2 Cache
6 MB
16 MB
L3 Cache
80 MB
256 MB
Theoretical Performance
Pixel Rate
459.6 GPixel/s
0 MPixel/s
Texture Rate
804.4 GTexel/s
2553.6 GTexel/s
FP16 (half)
103.0 TFLOPS
653.7 TFLOPS
FP32 (float)
51.48 TFLOPS
81.72 TFLOPS
FP64 (double)
1.609 TFLOPS
81.72 TFLOPS
Graphics Processor
GPU Name
Navi 31
Aqua Vanjaram
GPU Variant
Navi 31 XT(215-145000156)
—
Architecture
RDNA 3.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
57.7 billion
153 billion
Die Size
529 mm²
1017 mm²
Board Design
TDP
300W
750W
Suggested PSU
700 W
1150 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.8
N/A
Benchmark
3DMark Time Spy
26,829
—
3DMark Time Spy Extreme
13,130
—
3DMark Speed Way
5,364
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.