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 P40
CORE STATE
GP102
VRAM
24 GB
CLOCK SPEED
1531 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Tesla P40
Core Specs
Shading Units
640
3,840
+500.0%
Shaders
640
3,840
+500.0%
TMUs
40
240
+500.0%
ROPs
16
96
+500.0%
Compute Units
10
—
SM Count
—
30
Clocks
Base Clock
1082 MHz
1303 MHz
Boost Clock
1218 MHz
1531 MHz
Memory Clock
1500 MHz
6 Gbps effective
1808 MHz
7.2 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
347.1 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
3 MB
Performance
Pixel Rate
19.49 GPixel/s
147.0 GPixel/s
Texture Rate
48.72 GTexel/s
367.4 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
11.76 TFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
367.4 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
183.7 GFLOPS (1:64)
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
Pascal
GPU Name
Polaris 23
GP102
Generation
Polaris Mobile
(M600)
Tesla Pascal
(Pxx)
Process Size
14 nm
16 nm
Transistors
2,200 million
11,800 million
Die Size
103 mm²
471 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
25.1M / 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
—
6.1
Shader Model
6.7
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
5,699 USD
Production
End-of-life
End-of-life
Predecessor
Gem System
Tesla Maxwell
Successor
Navi Mobile
Tesla Volta