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
GeForce 8400M GS
CORE STATE
G86S
VRAM
256 MB
CLOCK SPEED
—
TDP
11 W
BUS WIDTH
64 bit
ARCHITECTURE
Tesla
PROCESS
80 nm
LAUNCH DATE
2007
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
8400M GS
Core Specs
Shading Units
640
16
-97.5%
Shaders
640
16
-97.5%
TMUs
40
8
-80.0%
ROPs
16
4
-75.0%
Compute Units
10
—
SM Count
—
2
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
400 MHz
Shader Clock
—
800 MHz
Memory Clock
1500 MHz
6 Gbps effective
400 MHz
800 Mbps effective
Memory
Memory Size
2 GB
256 MB
VRAM (MB)
2,048
256
-87.5%
Memory Type
GDDR5
DDR2
Memory Bus
64 bit
64 bit
Bandwidth
48.00 GB/s
6.400 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
16 KB
Performance
Pixel Rate
19.49 GPixel/s
1.600 GPixel/s
Texture Rate
48.72 GTexel/s
3.200 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
25.60 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
11 W
TDP (W)
50
11
-78.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Tesla
GPU Name
Polaris 23
G86S
Generation
Polaris Mobile
(M600)
GeForce 8M
(8000M)
Process Size
14 nm
80 nm
Transistors
2,200 million
210 million
Die Size
103 mm²
127 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
1.7M / mm²
API Support
DirectX
12 (12_0)
11.1 (10_0)
OpenGL
4.6
3.3
Vulkan
1.3
—
OpenCL
2.1
1.1
CUDA
—
1.1
CUDA SDK
—
6.5
Shader Model
6.7
4.0
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-I
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
GeForce Go 7
Successor
Navi Mobile
GeForce 9M