AMD Radeon RX 640 Mobile vs AMD Radeon RX 5700M
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Mar 2020
Generation
Mobility Radeon
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1082 MHz
1465 MHz
Boost Clock
1218 MHz
1720 MHz
Memory Clock
1500 MHz
1500 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
64bit
256bit
Bandwidth
48.00GB/s
384.0GB/s
Render Config
Compute Units
10
36
Shading Units
640
2304
TMUs
40
144
ROPs
16
64
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
8 MB
Theoretical Performance
Pixel Rate
19.49 GPixel/s
110.1 GPixel/s
Texture Rate
48.72 GTexel/s
247.7 GTexel/s
FP16 (half)
1.559 TFLOPS
15.85 TFLOPS
FP32 (float)
1.559 TFLOPS
7.926 TFLOPS
FP64 (double)
97.44 GFLOPS
495.4 GFLOPS
Graphics Processor
GPU Name
Polaris 23
Navi 10
GPU Variant
Polaris 23 XT
Navi 10 XML
Architecture
GCN 4.0
RDNA 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
2.2 billion
10.3 billion
Die Size
103 mm²
251 mm²
Board Design
TDP
50W
180W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.3
Shader Model
6.4
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.