NVIDIA GeForce GT 620 vs NVIDIA GeForce 8800 GT Mac Edition
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 620 and 512MB VRAM GeForce 8800 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 620 's Advantages
Released 4 years and 3 months late
More VRAM (1024GB vs 512GB)
Lower TDP (49W vs 125W)
NVIDIA GeForce 8800 GT Mac Edition 's Advantages
Larger VRAM bandwidth (57.60GB/s vs 14.40GB/s)
16 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 620
0.269 TFLOPS
GeForce 8800 GT Mac Edition
+24%
0.336 TFLOPS
Graphics Card
May 2012
Release Date
Feb 2008
GeForce 600
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
57.60GB/s
Render Config
-
-
-
2
SM Count
14
96
Shading Units
112
16
TMUs
56
4
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
128 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
2.800 GPixel/s
Pixel Rate
9.600 GPixel/s
11.20 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
268.8 GFLOPS
FP32 (float)
336.0 GFLOPS
22.40 GFLOPS
FP64 (double)
-
Board Design
49W
TDP
125W
200 W
Suggested PSU
300 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
2x DVI
None
Power Connectors
1x 6-pin
Graphics Processor
GF108
GPU Name
G92
GF108-100-KB-A1
GPU Variant
G92-270-A2
Fermi
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
0.585 billion
Transistors
0.754 billion
116 mm²
Die Size
324 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
1.1
5.1
Shader Model
4.0
