NVIDIA GeForce GTX 780 Ti Engineering Sample vs ATI Radeon X800 GT AGP
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 256MB VRAM Radeon X800 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages
Boost Clock928MHz
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (336.6GB/s vs 31.55GB/s)
2880 additional rendering cores
ATI Radeon X800 GT AGP 's Advantages
Lower TDP (40W vs 250W)
Score
Graphics Card
Unknown
Release Date
Nov 2007
GeForce 700
Generation
Radeon R400 AGP
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
AGP 8x
Clock Speeds
875 MHz
Base Clock
-
928 MHz
Boost Clock
-
1753 MHz
Memory Clock
493 MHz
Memory
3GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
256bit
336.6GB/s
Bandwidth
31.55GB/s
Render Config
-
-
-
-
-
-
2880
Shading Units
-
240
TMUs
8
48
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
1536 KB
L2 Cache
-
-
-
-
Theoretical Performance
55.68 GPixel/s
Pixel Rate
3.784 GPixel/s
222.7 GTexel/s
Texture Rate
3.784 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
-
222.7 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
40W
600 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x Molex
Graphics Processor
GK180
GPU Name
R420
GK180-425-A1
GPU Variant
R420 GT
(215RAACGA12F)
Kepler
Architecture
R400
TSMC
Foundry
TSMC
28 nm
Process Size
130 nm
7.08 billion
Transistors
0.16 billion
561 mm²
Die Size
281 mm²
Graphics Features
12 (11_0)
DirectX
9.0b (9_2)
4.6
OpenGL
2.1
3.0
OpenCL
N/A
1.2.175
Vulkan
N/A
3.5
CUDA
-
5.1
Shader Model
-
