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
Tegra 4i GPU
CORE STATE
Wayne
VRAM
512 MB
CLOCK SPEED
—
TDP
20 W
BUS WIDTH
32 bit
ARCHITECTURE
VLIW Vec4
PROCESS
28 nm
LAUNCH DATE
2013
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Tegra 4i GPU
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
2
-95.0%
ROPs
16
2
-87.5%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
660 MHz
Memory Clock
1500 MHz
6 Gbps effective
933 MHz
1866 Mbps effective
Memory
Memory Size
2 GB
512 MB
VRAM (MB)
2,048
512
-75.0%
Memory Type
GDDR5
LPDDR3
Memory Bus
64 bit
32 bit
Bandwidth
48.00 GB/s
7.464 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
19.49 GPixel/s
1.320 GPixel/s
Texture Rate
48.72 GTexel/s
1.320 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
—
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
20 W
TDP (W)
50
20
-60.0%
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
VLIW Vec4
GPU Name
Polaris 23
Wayne
Generation
Polaris Mobile
(M600)
Tegra
Process Size
14 nm
28 nm
Transistors
2,200 million
11 million
Die Size
103 mm²
85 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
129.4K / mm²
API Support
DirectX
12 (12_0)
—
OpenGL
4.6
ES 3.0
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
—
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—