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 940A
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1176 MHz
TDP
33 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
940A
Core Specs
Shading Units
640
384
-40.0%
Shaders
640
384
-40.0%
TMUs
40
16
-60.0%
ROPs
16
8
-50.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
1072 MHz
Boost Clock
1218 MHz
1176 MHz
Memory Clock
1500 MHz
6 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
16.02 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
19.49 GPixel/s
9.408 GPixel/s
Texture Rate
48.72 GTexel/s
18.82 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
903.2 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
28.22 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
33 W
TDP (W)
50
33
-34.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Maxwell
GPU Name
Polaris 23
GM108S
Generation
Polaris Mobile
(M600)
GeForce 900A
Process Size
14 nm
28 nm
Transistors
2,200 million
1,020 million
Die Size
103 mm²
77 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
13.2M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
5.0
Shader Model
6.7
6.7 (5.1)
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
GeForce 800A
Successor
Navi Mobile
—