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
Vanta LT
CORE STATE
NV5
VRAM
8 MB
CLOCK SPEED
—
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
Fahrenheit
PROCESS
250 nm
LAUNCH DATE
2000
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Vanta LT
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
—
105 MHz
Memory Clock
1500 MHz
6 Gbps effective
100 MHz
Memory
Memory Size
2 GB
8 MB
VRAM (MB)
2,048
8
-99.6%
Memory Type
GDDR5
SDR
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
800.0 MB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
19.49 GPixel/s
210.0 MPixel/s
Texture Rate
48.72 GTexel/s
210.0 MTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
—
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
—
TDP (W)
50
—
Suggested PSU
—
200 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Fahrenheit
GPU Name
Polaris 23
NV5
Generation
Polaris Mobile
(M600)
TNT2
Process Size
14 nm
250 nm
Transistors
2,200 million
15 million
Die Size
103 mm²
63 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
238.1K / mm²
API Support
DirectX
12 (12_0)
6.0
OpenGL
4.6
1.2
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
—
Physical
Slot Width
IGP
Single-slot
Outputs
Portable Device Dependent
1x VGA
Bus Interface
PCIe 3.0 x8
AGP 2x
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
Riva
Successor
Navi Mobile
GeForce 256