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 GTX 285M
CORE STATE
G92B
VRAM
1024 MB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
Tesla
PROCESS
55 nm
LAUNCH DATE
2010
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
GTX 285M
Core Specs
Shading Units
640
128
-80.0%
Shaders
640
128
-80.0%
TMUs
40
64
+60.0%
ROPs
16
16
0.0%
Compute Units
10
—
SM Count
—
16
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
600 MHz
Shader Clock
—
1500 MHz
Memory Clock
1500 MHz
6 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
GDDR5
GDDR3
Memory Bus
64 bit
256 bit
Bandwidth
48.00 GB/s
64.00 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
64 KB
Performance
Pixel Rate
19.49 GPixel/s
9.600 GPixel/s
Texture Rate
48.72 GTexel/s
38.40 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
384.0 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
75 W
TDP (W)
50
75
+50.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Tesla
GPU Name
Polaris 23
G92B
Generation
Polaris Mobile
(M600)
GeForce 200M
Process Size
14 nm
55 nm
Transistors
2,200 million
754 million
Die Size
103 mm²
260 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
2.9M / 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
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-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
GeForce 100M
Successor
Navi Mobile
GeForce 300M