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
Jetson TK1
CORE STATE
GK20A
VRAM
2 GB
CLOCK SPEED
951 MHz
TDP
8 W
BUS WIDTH
64 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2014
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Jetson TK1
Core Specs
Shading Units
640
192
-70.0%
Shaders
640
192
-70.0%
TMUs
40
8
-80.0%
ROPs
16
4
-75.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
756 MHz
Boost Clock
1218 MHz
951 MHz
Memory Clock
1500 MHz
6 Gbps effective
467 MHz
934 Mbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3L
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
7.472 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
3.804 GPixel/s
Texture Rate
48.72 GTexel/s
7.608 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
365.2 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
11.41 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
8 W
TDP (W)
50
8
-84.0%
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Kepler 2.0
GPU Name
Polaris 23
GK20A
Generation
Polaris Mobile
(M600)
Tegra
(Kepler)
Process Size
14 nm
28 nm
Transistors
2,200 million
—
Die Size
103 mm²
—
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
—
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
ES 3.1
Vulkan
1.3
1.3
OpenCL
2.1
—
CUDA
—
3.2
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
IGP
IGP
Length
—
127 mm
5 inches
Height
—
127 mm
5 inches
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x1
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—