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
Quadro K4000M
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
601 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Quadro K4000M
Core Specs
Shading Units
640
960
+50.0%
Shaders
640
960
+50.0%
TMUs
40
80
+100.0%
ROPs
16
32
+100.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
601 MHz
Boost Clock
1218 MHz
601 MHz
Memory Clock
1500 MHz
6 Gbps effective
700 MHz
2.8 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
48.00 GB/s
89.60 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
19.49 GPixel/s
12.02 GPixel/s
Texture Rate
48.72 GTexel/s
48.08 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
1,153.9 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
48.08 GFLOPS (1:24)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
100 W
TDP (W)
50
100
+100.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Polaris 23
GK104
Generation
Polaris Mobile
(M600)
Quadro Kepler-M
(Kx000M)
Process Size
14 nm
28 nm
Transistors
2,200 million
3,540 million
Die Size
103 mm²
294 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
12.0M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.0
Shader Model
6.7
6.5 (5.1)
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
Quadro Fermi-M
Successor
Navi Mobile
Quadro Maxwell-M