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 GT 640M Mac Edition
CORE STATE
GK107
VRAM
512 MB
CLOCK SPEED
745 MHz
TDP
32 W
BUS WIDTH
64 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
GT 640M Mac Edition
Core Specs
Shading Units
640
384
-40.0%
Shaders
640
384
-40.0%
TMUs
40
32
-20.0%
ROPs
16
8
-50.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
745 MHz
Boost Clock
1218 MHz
745 MHz
Memory Clock
1500 MHz
6 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
2 GB
512 MB
VRAM (MB)
2,048
512
-75.0%
Memory Type
GDDR5
GDDR5
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
40.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
128 KB
Performance
Pixel Rate
19.49 GPixel/s
5.960 GPixel/s
Texture Rate
48.72 GTexel/s
23.84 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
572.2 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
23.84 GFLOPS (1:24)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
32 W
TDP (W)
50
32
-36.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Polaris 23
GK107
Generation
Polaris Mobile
(M600)
GeForce 600M
Process Size
14 nm
28 nm
Transistors
2,200 million
1,270 million
Die Size
103 mm²
118 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
10.8M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.0
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
GeForce 500M
Successor
Navi Mobile
GeForce 700M