AMD Instinct MI300A vs AMD Radeon RX 7900 XTX
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Nov 2022
Generation
Radeon Instinct
Navi III
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
1929 MHz
Boost Clock
2100 MHz
2498 MHz
Memory Clock
1300 MHz
2500 MHz
Memory
Memory Size
128GB
24GB
Memory Type
HBM3
GDDR6
Memory Bus
8192bit
384bit
Bandwidth
5.32TB/s
960.0GB/s
Render Config
Compute Units
228
96
Shading Units
14592
6144
TMUs
912
384
ROPs
0
192
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
16 MB
6 MB
L3 Cache
256 MB
96 MB
RT Cores
—
96
Theoretical Performance
Pixel Rate
0 MPixel/s
479.6 GPixel/s
Texture Rate
1915.2 GTexel/s
959.2 GTexel/s
FP16 (half)
653.7 TFLOPS
122.8 TFLOPS
FP32 (float)
61.29 TFLOPS
61.39 TFLOPS
FP64 (double)
30.64 TFLOPS
1.918 TFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Navi 31
Architecture
CDNA 3.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
153 billion
57.7 billion
Die Size
1017 mm²
529 mm²
GPU Variant
—
Navi 31 XTX(215-145000146)
Board Design
TDP
750W
355W
Suggested PSU
1150 W
750 W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.4
Shader Model
N/A
6.8
Benchmark
3DMark Time Spy
—
30,512
3DMark Time Spy Extreme
—
15,278
3DMark Speed Way
—
6,363
Shadow of the Tomb Raider 2160p
—
127
Cyberpunk 2077 2160p
—
60
Shadow of the Tomb Raider 1440p
—
228
Cyberpunk 2077 1440p
—
108
Shadow of the Tomb Raider 1080p
—
310
Blender
—
4,680
Cyberpunk 2077 1080p
—
176
GTA 5 2160p
—
175
GTA 5 1440p
—
175
GTA 5 1080p
—
190
Horizon Forbidden West 1080p
—
144
Horizon Forbidden West 1440p
—
121
Horizon Forbidden West 2160p
—
80
▲ Specs Compare
Data sourced from official specifications and benchmark tests.