Radeon X800 GTO AGP vs Radeon R9 390 X2
We compared two Desktop platform GPUs: 256MB VRAM Radeon X800 GTO AGP and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon X800 GTO AGP 's Advantages
Lower TDP (49W vs 580W)
Radeon R9 390 X2 's Advantages
Released 7 years and 10 months late
More VRAM (8GB vs 256GB)
Larger VRAM bandwidth (345.6GB/s vs 31.36GB/s)
2560 additional rendering cores
Score
Graphics Card
Nov 2007
Release Date
Sep 2015
Radeon R400 AGP
Generation
Pirate Islands
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 3.0 x16
Clock Speeds
490 MHz
Memory Clock
1350 MHz
Memory
256MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
512bit
31.36GB/s
Bandwidth
345.6GB/s
Render Config
-
Compute Units
40
-
Shading Units
2560
12
TMUs
160
12
ROPs
64
-
L1 Cache
16 KB (per CU)
-
L2 Cache
1024 KB
Theoretical Performance
4.800 GPixel/s
Pixel Rate
64.00 GPixel/s
4.800 GTexel/s
Texture Rate
160.0 GTexel/s
-
FP32 (float)
5.120 TFLOPS
-
FP64 (double)
640.0 GFLOPS
Board Design
49W
TDP
580W
200 W
Suggested PSU
950 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x Molex
Power Connectors
4x 8-pin
Graphics Processor
R420
GPU Name
Grenada
R420 GTO
GPU Variant
Grenada PRO
(215-0880030)
R400
Architecture
GCN 2.0
TSMC
Foundry
TSMC
130 nm
Process Size
28 nm
0.16 billion
Transistors
6.2 billion
281 mm²
Die Size
438 mm²
Graphics Features
9.0b (9_2)
DirectX
12 (12_0)
2.1
OpenGL
4.6
N/A
OpenCL
2.0
N/A
Vulkan
1.2
-
Shader Model
6.3
