Home GPU Comparison AMD Radeon RX 7900 XTX vs ATI Radeon X800 GT AGP

AMD Radeon RX 7900 XTX vs ATI Radeon X800 GT AGP

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 256MB VRAM Radeon X800 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages
Released 15 years late
Boost Clock2498MHz
More VRAM (24GB vs 256GB)
Larger VRAM bandwidth (960.0GB/s vs 31.55GB/s)
6144 additional rendering cores
ATI Radeon X800 GT AGP 's Advantages
Lower TDP (40W vs 355W)

Score

VS

Graphics Card

Nov 2022
Release Date
Nov 2007
Navi III
Generation
Radeon R400 AGP
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
AGP 8x

Clock Speeds

1929 MHz
Base Clock
-
2498 MHz
Boost Clock
-
2500 MHz
Memory Clock
493 MHz

Memory

24GB
Memory Size
256MB
GDDR6
Memory Type
GDDR3
384bit
Memory Bus
256bit
960.0GB/s
Bandwidth
31.55GB/s

Render Config

96
Compute Units
-
-
-
-
6144
Shading Units
-
384
TMUs
8
192
ROPs
8
-
-
-
96
RT Cores
-
256 KB per Array
L1 Cache
-
6 MB
L2 Cache
-
96 MB
L3 Cache
-

Theoretical Performance

479.6 GPixel/s
Pixel Rate
3.784 GPixel/s
959.2 GTexel/s
Texture Rate
3.784 GTexel/s
122.8 TFLOPS
FP16 (half)
-
61.39 TFLOPS
FP32 (float)
-
1.918 TFLOPS
FP64 (double)
-

Board Design

355W
TDP
40W
750 W
Suggested PSU
200 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
1x DVI 1x VGA 1x S-Video
2x 8-pin
Power Connectors
1x Molex

Graphics Processor

Navi 31
GPU Name
R420
Navi 31 XTX (215-145000146)
GPU Variant
R420 GT (215RAACGA12F)
RDNA 3.0
Architecture
R400
TSMC
Foundry
TSMC
5 nm
Process Size
130 nm
57.7 billion
Transistors
0.16 billion
529 mm²
Die Size
281 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
9.0b (9_2)
4.6
OpenGL
2.1
2.2
OpenCL
N/A
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
-

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