AMD Radeon RX 7900 XT vs AMD Radeon RX 6450M
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Jan 2023
Generation
Navi III
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
1387 MHz
2000 MHz
Boost Clock
2394 MHz
2460 MHz
Memory Clock
2500 MHz
2000 MHz
Memory
Memory Size
20GB
4GB
Memory Type
GDDR6
GDDR6
Memory Bus
320bit
64bit
Bandwidth
800.0GB/s
128.0GB/s
Render Config
Compute Units
84
12
Shading Units
5376
768
TMUs
336
48
ROPs
192
32
RT Cores
84
12
L1 Cache
256 KB per Array
128 KB per Array
L2 Cache
6 MB
1024 KB
L3 Cache
80 MB
16 MB
Theoretical Performance
Pixel Rate
459.6 GPixel/s
78.72 GPixel/s
Texture Rate
804.4 GTexel/s
118.1 GTexel/s
FP16 (half)
103.0 TFLOPS
7.557 TFLOPS
FP32 (float)
51.48 TFLOPS
3.779 TFLOPS
FP64 (double)
1.609 TFLOPS
236.2 GFLOPS
Graphics Processor
GPU Name
Navi 31
Navi 24
GPU Variant
Navi 31 XT(215-145000156)
Navi 24 XML
Architecture
RDNA 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
57.7 billion
5.4 billion
Die Size
529 mm²
107 mm²
Board Design
TDP
300W
50W
Suggested PSU
700 W
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Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.2
Vulkan
1.3
1.3
Shader Model
6.8
6.7
📊 Benchmark
3DMark Time Spy
26,829
-
3DMark Time Spy Extreme
13,130
-
3DMark Speed Way
5,364
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