ATI Radeon X800 GTO AGP vs NVIDIA GeForce GT 620 OEM
We compared two Desktop platform GPUs: 256MB VRAM Radeon X800 GTO AGP and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon X800 GTO AGP 's Advantages
Larger VRAM bandwidth (31.36GB/s vs 14.37GB/s)
NVIDIA GeForce GT 620 OEM 's Advantages
Released 4 years and 5 months late
More VRAM (512GB vs 256GB)
48 additional rendering cores
Lower TDP (30W vs 49W)
Score
Graphics Card
Nov 2007
Release Date
Apr 2012
Radeon R400 AGP
Generation
GeForce 600
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
490 MHz
Memory Clock
898 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
DDR3
256bit
Memory Bus
64bit
31.36GB/s
Bandwidth
14.37GB/s
Render Config
-
-
-
-
SM Count
1
-
Shading Units
48
12
TMUs
8
12
ROPs
4
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
-
L2 Cache
128 KB
-
-
-
Theoretical Performance
4.800 GPixel/s
Pixel Rate
1.620 GPixel/s
4.800 GTexel/s
Texture Rate
6.480 GTexel/s
-
-
-
-
FP32 (float)
155.5 GFLOPS
-
FP64 (double)
12.96 GFLOPS
Board Design
49W
TDP
30W
200 W
Suggested PSU
200 W
1x DVI
1x VGA
1x S-Video
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x Molex
Power Connectors
None
Graphics Processor
R420
GPU Name
GF119
R420 GTO
GPU Variant
-
R400
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
130 nm
Process Size
40 nm
0.16 billion
Transistors
0.292 billion
281 mm²
Die Size
79 mm²
Graphics Features
9.0b (9_2)
DirectX
12 (11_0)
2.1
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
-
Shader Model
5.1
