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
GPU
Iris Plus Graphics 650 Mobile
CORE STATE
Kaby Lake GT3e
VRAM
System Shared
CLOCK SPEED
1150 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 9.5
PROCESS
14 nm++
LAUNCH DATE
2017
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Iris Plus Graphics 650 Mobile
Core Specs
Shading Units
640
384
-40.0%
Shaders
640
384
-40.0%
TMUs
40
48
+20.0%
ROPs
16
6
-62.5%
Compute Units
10
—
Execution Units
—
48
Clocks
Base Clock
1082 MHz
300 MHz
Boost Clock
1218 MHz
1150 MHz
Memory Clock
1500 MHz
6 Gbps effective
System Shared
Memory
Memory Size
2 GB
System Shared
VRAM (MB)
2,048
—
Memory Type
GDDR5
System Shared
Memory Bus
64 bit
System Shared
Bandwidth
48.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
19.49 GPixel/s
6.900 GPixel/s
Texture Rate
48.72 GTexel/s
55.20 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
883.2 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
220.8 GFLOPS (1:4)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
1.766 TFLOPS (2:1)
Power
TDP
50 W
15 W
TDP (W)
50
15
-70.0%
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Generation 9.5
GPU Name
Polaris 23
Kaby Lake GT3e
Generation
Polaris Mobile
(M600)
HD Graphics-M
(Kaby Lake)
Process Size
14 nm
14 nm++
Transistors
2,200 million
—
Die Size
103 mm²
—
Foundry
GlobalFoundries
Intel
Density
21.4M / mm²
—
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
3.0
Shader Model
6.7
6.4
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—