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 TX1
CORE STATE
GM20B
VRAM
4 GB
CLOCK SPEED
—
TDP
6 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
20 nm
LAUNCH DATE
2015
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Jetson TX1
Core Specs
Shading Units
640
256
-60.0%
Shaders
640
256
-60.0%
TMUs
40
16
-60.0%
ROPs
16
16
0.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
998 MHz
Memory Clock
1500 MHz
6 Gbps effective
600 MHz
1200 Mbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
LPDDR4
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
9.600 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
256 KB
Performance
Pixel Rate
19.49 GPixel/s
15.97 GPixel/s
Texture Rate
48.72 GTexel/s
15.97 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
511.0 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
15.97 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
1,022.0 GFLOPS (2:1)
Power
TDP
50 W
6 W
TDP (W)
50
6
-88.0%
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Maxwell 2.0
GPU Name
Polaris 23
GM20B
Generation
Polaris Mobile
(M600)
Tegra
(Maxwell)
Process Size
14 nm
20 nm
Transistors
2,200 million
2,000 million
Die Size
103 mm²
118 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
16.9M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
1.2
CUDA
—
5.3
Shader Model
6.7
6.0
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—