AMD Radeon RX 640 Mobile vs NVIDIA GeForce RTX 2080 SUPER Max Q
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Apr 2020
Generation
Mobility Radeon
GeForce 20 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1082 MHz
735 MHz
Boost Clock
1218 MHz
975 MHz
Memory Clock
1500 MHz
1375 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
64bit
256bit
Bandwidth
48.00GB/s
352.0GB/s
Render Config
Compute Units
10
—
Shading Units
640
3072
TMUs
40
192
ROPs
16
64
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
—
48
Tensor Cores
—
384
RT Cores
—
48
Theoretical Performance
Pixel Rate
19.49 GPixel/s
62.40 GPixel/s
Texture Rate
48.72 GTexel/s
187.2 GTexel/s
FP16 (half)
1.559 TFLOPS
11.98 TFLOPS
FP32 (float)
1.559 TFLOPS
5.990 TFLOPS
FP64 (double)
97.44 GFLOPS
187.2 GFLOPS
Graphics Processor
GPU Name
Polaris 23
TU104
GPU Variant
Polaris 23 XT
N18E-G3R
Architecture
GCN 4.0
Turing
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
12 nm
Transistors
2.2 billion
13.6 billion
Die Size
103 mm²
545 mm²
Board Design
TDP
50W
80W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.3
Shader Model
6.4
6.6
CUDA
—
7.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.