AMD Radeon Vega 8 vs AMD Radeon RX 7400
GPU · Specs Compare
Graphics Card
Release Date
Jan 2021
Aug 2025
Generation
Cezanne
Navi III
Type
Integrated
Desktop
Bus Interface
IGP
PCIe 4.0 x8
Clock Speeds
Base Clock
300 MHz
1452 MHz
Boost Clock
2000 MHz
2300 MHz
Memory Clock
System Shared
2250 MHz
Memory
Memory Size
System Shared
8GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
128bit
Bandwidth
System Dependent
288.0GB/s
Render Config
Compute Units
8
28
Shading Units
512
1792
TMUs
32
112
ROPs
8
64
RT Cores
—
28
L1 Cache
—
128 KB per Array
L2 Cache
—
2 MB
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
147.2 GPixel/s
Texture Rate
64.00 GTexel/s
257.6 GTexel/s
FP16 (half)
4.096 TFLOPS
32.97 TFLOPS
FP32 (float)
2.048 TFLOPS
16.49 TFLOPS
FP64 (double)
128.0 GFLOPS
515.2 GFLOPS
Graphics Processor
GPU Name
Cezanne
Navi 33
Architecture
GCN 5.1
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
6 nm
Transistors
9.8 billion
13.3 billion
Die Size
156 mm²
204 mm²
GPU Variant
—
Navi 33
Board Design
TDP
45W
43W
Outputs
No outputs
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
None
1x 6-pin
Suggested PSU
—
200 W
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.2
1.3
Shader Model
6.4
6.8
Benchmark
3DMark Time Spy
893
—
3DMark Time Spy Extreme
423
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.