GPU Comparison
RADEON
AMD Radeon 680M
CORE STATE
Rembrandt+
VRAM
System Shared
CLOCK SPEED
2200 MHz
TDP
50 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2023
VS
GEFORCE
Quadro K620M
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
680M
Quadro K620M
Core Specs
Shading Units
768
384
-50.0%
Shaders
768
384
-50.0%
TMUs
48
16
-66.7%
ROPs
32
8
-75.0%
Compute Units
12
—
Clocks
Base Clock
2000 MHz
1029 MHz
Boost Clock
2200 MHz
1124 MHz
Memory Clock
System Shared
1001 MHz
2 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
DDR3
Memory Bus
System Shared
64 bit
Bandwidth
System Dependent
16.02 GB/s
Cache
L1 Cache
128 KB per Array
64 KB (per SMM)
L2 Cache
2 MB
1024 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
8.992 GPixel/s
Texture Rate
105.6 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
—
AI/RT
RT Cores
12
—
Power
TDP
50 W
30 W
TDP (W)
50
30
-40.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Maxwell
GPU Name
Rembrandt+
GM108S
Generation
Navi II IGP
(Rembrandt Mobile)
Quadro Kepler-M
(Kx200M)
Process Size
6 nm
28 nm
Transistors
13,100 million
1,020 million
Die Size
208 mm²
77 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
13.2M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.0
3.0
CUDA
—
5.0
Shader Model
6.8
6.7 (5.1)
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
MXM-A (3.0)
Other
Production
Active
End-of-life
Predecessor
Vega II IGP
Quadro Fermi-M
Successor
Navi III IGP
Quadro Maxwell-M