ATI Radeon X800 GT AGP vs NVIDIA RTX PRO 4000 Blackwell
We compared two Desktop platform GPUs: 256MB VRAM Radeon X800 GT AGP and 24GB VRAM RTX PRO 4000 Blackwell to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon X800 GT AGP 's Advantages
Lower TDP (40W vs 140W)
NVIDIA RTX PRO 4000 Blackwell 's Advantages
Released 17 years and 4 months late
Boost Clock2617MHz
More VRAM (24GB vs 256GB)
Larger VRAM bandwidth (672.0GB/s vs 31.55GB/s)
8960 additional rendering cores
Score
Graphics Card
Nov 2007
Release Date
Mar 2025
Radeon R400 AGP
Generation
Blackwell PRO W
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 5.0 x16
Clock Speeds
-
Base Clock
1590 MHz
-
Boost Clock
2617 MHz
493 MHz
Memory Clock
1750 MHz
Memory
256MB
Memory Size
24GB
GDDR3
Memory Type
GDDR7
256bit
Memory Bus
192bit
31.55GB/s
Bandwidth
672.0GB/s
Render Config
-
-
-
-
SM Count
70
-
Shading Units
8960
8
TMUs
280
8
ROPs
96
-
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
-
L2 Cache
48 MB
-
-
-
Theoretical Performance
3.784 GPixel/s
Pixel Rate
251.2 GPixel/s
3.784 GTexel/s
Texture Rate
732.8 GTexel/s
-
FP16 (half)
46.90 TFLOPS
-
FP32 (float)
46.90 TFLOPS
-
FP64 (double)
732.8 GFLOPS
Board Design
40W
TDP
140W
200 W
Suggested PSU
300 W
1x DVI
1x VGA
1x S-Video
Outputs
4x DisplayPort 2.1b
1x Molex
Power Connectors
1x 16-pin
Graphics Processor
R420
GPU Name
GB203
R420 GT
(215RAACGA12F)
GPU Variant
-
R400
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
130 nm
Process Size
5 nm
0.16 billion
Transistors
45.6 billion
281 mm²
Die Size
378 mm²
Graphics Features
9.0b (9_2)
DirectX
12 Ultimate (12_2)
2.1
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.4
-
CUDA
10.1
-
Shader Model
6.8
