NVIDIA GeForce RTX 4080 vs AMD Radeon R9 M395X
GPU Specs Compare
Graphics Card
Release Date
Sep 2022
May 2015
Generation
GeForce 40
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2205 MHz
-
Boost Clock
2505 MHz
-
Memory Clock
1400 MHz
1250 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6X
GDDR5
Memory Bus
256bit
256bit
Bandwidth
716.8GB/s
160.0GB/s
Render Config
SM Count
76
-
Shading Units
9728
2048
TMUs
304
128
ROPs
112
32
Tensor Cores
304
-
RT Cores
76
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
280.6 GPixel/s
23.14 GPixel/s
Texture Rate
761.5 GTexel/s
92.54 GTexel/s
FP16 (half)
48.74 TFLOPS
2.961 TFLOPS
FP32 (float)
48.74 TFLOPS
2.961 TFLOPS
FP64 (double)
761.5 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
AD103
Amethyst
GPU Variant
AD103-300-A1
Amethyst XT
Architecture
Ada Lovelace
GCN 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.9 billion
5 billion
Die Size
379 mm²
366 mm²
Board Design
TDP
320W
75W
Suggested PSU
700 W
-
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.9
-
Shader Model
6.7
6.3
📊 Benchmark
3DMark Time Spy
28,173
2,514
3DMark Time Spy Extreme
14,002
-