AMD Radeon RX 7900 XT vs AMD Radeon Vega 8 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Nov 2022
Jan 2021
Generation
Navi III
Cezanne
Type
Desktop
Integrated
Bus Interface
PCIe 4.0 x16
IGP
Clock Speeds
Base Clock
1387 MHz
300 MHz
Boost Clock
2394 MHz
2000 MHz
Memory Clock
2500 MHz
System Shared
Memory
Memory Size
20GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
320bit
System Shared
Bandwidth
800.0GB/s
System Dependent
Render Config
Compute Units
84
8
Shading Units
5376
512
TMUs
336
32
ROPs
192
8
RT Cores
84
—
L1 Cache
256 KB per Array
—
L2 Cache
6 MB
—
L3 Cache
80 MB
—
Theoretical Performance
Pixel Rate
459.6 GPixel/s
16.00 GPixel/s
Texture Rate
804.4 GTexel/s
64.00 GTexel/s
FP16 (half)
103.0 TFLOPS
4.096 TFLOPS
FP32 (float)
51.48 TFLOPS
2.048 TFLOPS
FP64 (double)
1.609 TFLOPS
128.0 GFLOPS
Graphics Processor
GPU Name
Navi 31
Cezanne
GPU Variant
Navi 31 XT(215-145000156)
—
Architecture
RDNA 3.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
57.7 billion
9.8 billion
Die Size
529 mm²
156 mm²
Board Design
TDP
300W
45W
Suggested PSU
700 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)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2
Shader Model
6.8
6.4
Benchmark
3DMark Time Spy
26,829
719
3DMark Time Spy Extreme
13,130
351
3DMark Speed Way
5,364
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.