ATI Radeon X800 GTO AGP vs ATI Radeon HD 3870 Mac Edition
We compared two Desktop platform GPUs: 256MB VRAM Radeon X800 GTO AGP and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon X800 GTO AGP 's Advantages
Lower TDP (49W vs 106W)
ATI Radeon HD 3870 Mac Edition 's Advantages
Released 7 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (72.06GB/s vs 31.36GB/s)
320 additional rendering cores
Score
Graphics Card
Nov 2007
Release Date
Jun 2008
Radeon R400 AGP
Generation
Radeon R600
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
490 MHz
Memory Clock
1126 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR4
256bit
Memory Bus
256bit
31.36GB/s
Bandwidth
72.06GB/s
Render Config
-
Compute Units
4
-
-
-
-
Shading Units
320
12
TMUs
16
12
ROPs
16
-
-
-
-
-
-
-
-
-
-
L2 Cache
256 KB
-
-
-
Theoretical Performance
4.800 GPixel/s
Pixel Rate
12.43 GPixel/s
4.800 GTexel/s
Texture Rate
12.43 GTexel/s
-
-
-
-
FP32 (float)
497.3 GFLOPS
-
FP64 (double)
99.46 GFLOPS
Board Design
49W
TDP
106W
200 W
Suggested PSU
300 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x S-Video
1x Molex
Power Connectors
1x 6-pin
Graphics Processor
R420
GPU Name
RV670
R420 GTO
GPU Variant
RV670 XT
(215-0708005)
R400
Architecture
TeraScale
TSMC
Foundry
TSMC
130 nm
Process Size
55 nm
0.16 billion
Transistors
0.666 billion
281 mm²
Die Size
192 mm²
Graphics Features
9.0b (9_2)
DirectX
10.1 (10_1)
2.1
OpenGL
3.3 (full)
4.0 (partial)
N/A
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
-
Shader Model
4.1
