AMD Radeon R9 M485X vs NVIDIA GeForce RTX 4080 SUPER
GPU · Specs Compare
Graphics Card
Release Date
May 2016
Jan 2024
Generation
Crystal System
GeForce 40
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
1438 MHz
Base Clock
—
2295 MHz
Boost Clock
—
2550 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6X
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
736.3GB/s
Render Config
Compute Units
32
—
Shading Units
2048
10240
TMUs
128
320
ROPs
32
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
64 MB
SM Count
—
80
Tensor Cores
—
320
RT Cores
—
80
Theoretical Performance
Pixel Rate
23.14 GPixel/s
285.6 GPixel/s
Texture Rate
92.54 GTexel/s
816.0 GTexel/s
FP16 (half)
2.961 TFLOPS
52.22 TFLOPS
FP32 (float)
2.961 TFLOPS
52.22 TFLOPS
FP64 (double)
185.1 GFLOPS
816.0 GFLOPS
Graphics Processor
GPU Name
Amethyst
AD103
GPU Variant
Amethyst XT
AD103-400-A1
Architecture
GCN 3.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
5 billion
45.9 billion
Die Size
366 mm²
379 mm²
Board Design
TDP
250W
320W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
—
700 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.8
CUDA
—
8.9
Benchmark
3DMark Time Spy
—
28,304
3DMark Time Spy Extreme
—
14,052
OctaneBench
—
964
Blender
—
9,232
▲ Specs Compare
Data sourced from official specifications and benchmark tests.