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 940MX
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
861 MHz
TDP
23 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
940MX
Core Specs
Shading Units
640
512
-20.0%
Shaders
640
512
-20.0%
TMUs
40
32
-20.0%
ROPs
16
8
-50.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
795 MHz
Boost Clock
1218 MHz
861 MHz
Memory Clock
1500 MHz
6 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
40.10 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
6.888 GPixel/s
Texture Rate
48.72 GTexel/s
27.55 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
881.7 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
27.55 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
23 W
TDP (W)
50
23
-54.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Maxwell
GPU Name
Polaris 23
GM107
Generation
Polaris Mobile
(M600)
GeForce 900M
Process Size
14 nm
28 nm
Transistors
2,200 million
1,870 million
Die Size
103 mm²
148 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
12.6M / 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
MXM Module
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 800M
Successor
Navi Mobile
GeForce 10 Mobile