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
Tesla M40 24 GB
CORE STATE
GM200
VRAM
24 GB
CLOCK SPEED
1112 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Tesla M40 24 GB
Core Specs
Shading Units
640
3,072
+380.0%
Shaders
640
3,072
+380.0%
TMUs
40
192
+380.0%
ROPs
16
96
+500.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
948 MHz
Boost Clock
1218 MHz
1112 MHz
Memory Clock
1500 MHz
6 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
64 bit
384 bit
Bandwidth
48.00 GB/s
288.4 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
3 MB
Performance
Pixel Rate
19.49 GPixel/s
106.8 GPixel/s
Texture Rate
48.72 GTexel/s
213.5 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
6.832 TFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
213.5 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
250 W
TDP (W)
50
250
+400.0%
Suggested PSU
—
600 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
GCN 4.0
Maxwell 2.0
GPU Name
Polaris 23
GM200
Generation
Polaris Mobile
(M600)
Tesla Maxwell
(Mxx)
Process Size
14 nm
28 nm
Transistors
2,200 million
8,000 million
Die Size
103 mm²
601 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
13.3M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
5.2
Shader Model
6.7
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
Tesla Kepler
Successor
Navi Mobile
Tesla Pascal