NVIDIA GeForce RTX 3090 vs AMD Radeon R9 M395 Mac Edition

GPU · Specs Compare

Products
GPU NVIDIA GeForce RTX 3090 NVIDIA · 2020-09
GPU AMD Radeon R9 M395 Mac Edition AMD · 2015-05
Graphics Card
Release Date
Sep 2020
May 2015
Generation
GeForce 30
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1395 MHz
—
Boost Clock
1695 MHz
—
Memory Clock
1219 MHz
1365 MHz
Memory
Memory Size
24GB
2GB
Memory Type
GDDR6X
GDDR5
Memory Bus
384bit
256bit
Bandwidth
936.2GB/s
174.7GB/s
Render Config
SM Count
82
—
Shading Units
10496
1792
TMUs
328
112
ROPs
112
32
Tensor Cores
328
—
RT Cores
82
—
L1 Cache
128 KB (per SM)
—
L2 Cache
6 MB
—
Compute Units
—
28
Theoretical Performance
Pixel Rate
189.8 GPixel/s
26.69 GPixel/s
Texture Rate
556.0 GTexel/s
93.41 GTexel/s
FP16 (half)
35.58 TFLOPS
—
FP32 (float)
35.58 TFLOPS
2.989 TFLOPS
FP64 (double)
556.0 GFLOPS
373.6 GFLOPS
Graphics Processor
GPU Name
GA102
Amethyst
GPU Variant
GA102-300-A1
Amethyst PRO(216-0872004)
Architecture
Ampere
GCN 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
5 billion
Die Size
628 mm²
366 mm²
Board Design
TDP
350W
250W
Suggested PSU
750 W
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-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
8.6
—
Shader Model
6.6
6.3
▲ Specs Compare Data sourced from official specifications and benchmark tests.