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
GPU
XGI Volari 8300
CORE STATE
XG47
VRAM
128 MB
CLOCK SPEED
—
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
XG4
PROCESS
130 nm
LAUNCH DATE
2005
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
XGI Volari 8300
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
8
-80.0%
ROPs
16
4
-75.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
300 MHz
Memory Clock
1500 MHz
6 Gbps effective
300 MHz
600 Mbps effective
Memory
Memory Size
2 GB
128 MB
VRAM (MB)
2,048
128
-93.8%
Memory Type
GDDR5
DDR
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
4.800 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
19.49 GPixel/s
1.200 GPixel/s
Texture Rate
48.72 GTexel/s
2.400 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
—
TDP (W)
50
—
Suggested PSU
—
200 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
XG4
GPU Name
Polaris 23
XG47
Generation
Polaris Mobile
(M600)
XG40
(Volari 8000)
Process Size
14 nm
130 nm
Transistors
2,200 million
90 million
Die Size
103 mm²
—
Foundry
GlobalFoundries
UMC
Density
21.4M / mm²
—
API Support
DirectX
12 (12_0)
9.0c
OpenGL
4.6
2.1
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
3.0
Physical
Slot Width
IGP
Single-slot
Outputs
Portable Device Dependent
1x DVI1x VGA1x S-Video
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—