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 705M
CORE STATE
GF117
VRAM
1024 MB
CLOCK SPEED
—
TDP
15 W
BUS WIDTH
64 bit
ARCHITECTURE
Fermi 2.0
PROCESS
28 nm
LAUNCH DATE
2013
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
705M
Core Specs
Shading Units
640
48
-92.5%
Shaders
640
48
-92.5%
TMUs
40
8
-80.0%
ROPs
16
8
-50.0%
Compute Units
10
—
SM Count
—
1
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
738 MHz
Shader Clock
—
1476 MHz
Memory Clock
1500 MHz
6 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
GDDR5
DDR3
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
14.40 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
128 KB
Performance
Pixel Rate
19.49 GPixel/s
1.476 GPixel/s
Texture Rate
48.72 GTexel/s
5.904 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
141.7 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
11.81 GFLOPS (1:12)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
15 W
TDP (W)
50
15
-70.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Fermi 2.0
GPU Name
Polaris 23
GF117
Generation
Polaris Mobile
(M600)
GeForce 700M
Process Size
14 nm
28 nm
Transistors
2,200 million
585 million
Die Size
103 mm²
116 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
5.0M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
—
OpenCL
2.1
1.1
CUDA
—
2.1
Shader Model
6.7
5.1
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
GeForce 600M
Successor
Navi Mobile
GeForce 800M