GPU Comparison
RADEON
AMD Radeon RX 640 Mobile
CORE STATE
Polaris 23
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
GEFORCE
GeForce MX450 30.5W 10Gbps
CORE STATE
TU117S
VRAM
2 GB
CLOCK SPEED
1575 MHz
TDP
31 W
BUS WIDTH
64 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2020
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
MX450 30.5W 10Gbps
Core Specs
Shading Units
640
896
+40.0%
Shaders
640
896
+40.0%
TMUs
40
56
+40.0%
ROPs
16
32
+100.0%
Compute Units
10
—
SM Count
—
14
Clocks
Base Clock
1082 MHz
1395 MHz
Boost Clock
1218 MHz
1575 MHz
Memory Clock
1500 MHz
6 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR6
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
80.00 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
19.49 GPixel/s
50.40 GPixel/s
Texture Rate
48.72 GTexel/s
88.20 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
2.822 TFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
88.20 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
5.645 TFLOPS (2:1)
Power
TDP
50 W
31 W
TDP (W)
50
31
-38.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Turing
GPU Name
Polaris 23
TU117S
Generation
Polaris Mobile
(M600)
GeForce MX
(4xx)
Process Size
14 nm
12 nm
Transistors
2,200 million
4,700 million
Die Size
103 mm²
200 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
23.5M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
7.5
Shader Model
6.7
6.8
Physical
Slot Width
IGP
—
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—