AMD Radeon Vega 8 vs AMD Radeon R9 M395X
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
May 2015
Generation
Cezanne
Crystal System
Type
Integrated
Mobile
Bus Interface
IGP
PCIe 3.0 x16
Clock Speeds
Base Clock
300 MHz
-
Boost Clock
2000 MHz
-
Memory Clock
System Shared
1250 MHz
Memory
Memory Size
System Shared
8GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
160.0GB/s
Render Config
Compute Units
8
32
Shading Units
512
2048
TMUs
32
128
ROPs
8
32
L1 Cache
-
16 KB (per CU)
L2 Cache
-
512 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
23.14 GPixel/s
Texture Rate
64.00 GTexel/s
92.54 GTexel/s
FP16 (half)
4.096 TFLOPS
2.961 TFLOPS
FP32 (float)
2.048 TFLOPS
2.961 TFLOPS
FP64 (double)
128.0 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
Cezanne
Amethyst
Architecture
GCN 5.1
GCN 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
9.8 billion
5 billion
Die Size
156 mm²
366 mm²
GPU Variant
-
Amethyst XT
Board Design
TDP
45W
75W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3
📊 Benchmark
3DMark Time Spy
893
2,514
3DMark Time Spy Extreme
423
-