Quadro FX 4800 Mac Edition vs Quadro K620
We compared two Professional market GPUs: 1536MB VRAM Quadro FX 4800 Mac Edition and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Quadro FX 4800 Mac Edition 's Advantages
Larger VRAM bandwidth (76.80GB/s vs 28.80GB/s)
Quadro K620 's Advantages
Released 5 years and 8 months late
Boost Clock1124MHz
More VRAM (2GB vs 1536GB)
192 additional rendering cores
Lower TDP (45W vs 150W)
Score
Benchmark
FP32 (float)
Quadro FX 4800 Mac Edition
462
Quadro K620
+86%
863
Graphics Card
Nov 2008
Release Date
Jul 2014
Quadro FX
Generation
Quadro
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
1058 MHz
-
Boost Clock
1124 MHz
800 MHz
Memory Clock
900 MHz
Memory
1536MB
Memory Size
2GB
GDDR3
Memory Type
DDR3
384bit
Memory Bus
128bit
76.80GB/s
Bandwidth
28.80GB/s
Render Config
24
SM Count
-
192
Shading Units
384
64
TMUs
24
24
ROPs
16
-
L1 Cache
64 KB (per SMM)
192 KB
L2 Cache
2 MB
Theoretical Performance
14.45 GPixel/s
Pixel Rate
17.98 GPixel/s
38.53 GTexel/s
Texture Rate
26.98 GTexel/s
462.3 GFLOPS
FP32 (float)
863.2 GFLOPS
57.79 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
150W
TDP
45W
450 W
Suggested PSU
200 W
2x DVI
1x S-Video
Outputs
1x DVI
1x DisplayPort 1.4a
1x 6-pin
Power Connectors
None
Graphics Processor
GT200B
GPU Name
GM107
-
GPU Variant
GM107-850-A2
Tesla 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
1.4 billion
Transistors
1.87 billion
470 mm²
Die Size
148 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.3
CUDA
5.0
4.0
Shader Model
5.1
