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
GRID K140Q
CORE STATE
GK107
VRAM
1024 MB
CLOCK SPEED
—
TDP
130 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
GRID K140Q
Core Specs
Shading Units
640
192
-70.0%
Shaders
640
192
-70.0%
TMUs
40
16
-60.0%
ROPs
16
16
0.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
850 MHz
Memory Clock
1500 MHz
6 Gbps effective
891 MHz
1782 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
128 bit
Bandwidth
48.00 GB/s
28.51 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
256 KB
Performance
Pixel Rate
19.49 GPixel/s
3.400 GPixel/s
Texture Rate
48.72 GTexel/s
13.60 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
326.4 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
13.60 GFLOPS (1:24)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
130 W
TDP (W)
50
130
+160.0%
Suggested PSU
—
300 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Polaris 23
GK107
Generation
Polaris Mobile
(M600)
GRID
(K1)
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
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
125 USD
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—