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
S3 Graphics Chrome 540 GTX
CORE STATE
Destination 4
VRAM
256 MB
CLOCK SPEED
—
TDP
131 W
BUS WIDTH
64 bit
ARCHITECTURE
Chrome
PROCESS
65 nm
LAUNCH DATE
2009
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
S3 Graphics Chrome 540 GTX
Core Specs
Shading Units
640
32
-95.0%
Shaders
640
32
-95.0%
TMUs
40
4
-90.0%
ROPs
16
4
-75.0%
Compute Units
10
1
-90.0%
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
800 MHz
Shader Clock
—
1100 MHz
Memory Clock
1500 MHz
6 Gbps effective
850 MHz
1700 Mbps effective
Memory
Memory Size
2 GB
256 MB
VRAM (MB)
2,048
256
-87.5%
Memory Type
GDDR5
GDDR3
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
13.60 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
19.49 GPixel/s
3.200 GPixel/s
Texture Rate
48.72 GTexel/s
3.200 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
70.40 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
131 W
TDP (W)
50
131
+162.0%
Suggested PSU
—
300 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Chrome
GPU Name
Polaris 23
Destination 4
Generation
Polaris Mobile
(M600)
Chrome
Process Size
14 nm
65 nm
Transistors
2,200 million
—
Die Size
103 mm²
—
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
—
API Support
DirectX
12 (12_0)
10.1
OpenGL
4.6
3.0
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
4.1
Physical
Slot Width
IGP
Single-slot
Outputs
Portable Device Dependent
1x DVI1x HDMI1x DisplayPort
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
69 USD
Production
End-of-life
End-of-life
Predecessor
Gem System
GammaChrome
Successor
Navi Mobile
—