GeForce 6800 XT vs Radeon HD 3690
We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 XT and 256MB VRAM Radeon HD 3690 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 6800 XT Advantages
Larger VRAM bandwidth (38.40GB/s vs 26.56GB/s)
Radeon HD 3690 Advantages
Released 2 years and 6 months late
320 additional rendering cores
Score
Graphics Card
Sep 2005
Release Date
Mar 2008
GeForce 6 AGP
Generation
Radeon R600
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x16
Clock Speeds
600 MHz
Memory Clock
830 MHz
Memory
256MB
Memory Size
256MB
GDDR3
Memory Type
GDDR3
256bit
Memory Bus
128bit
38.40GB/s
Bandwidth
26.56GB/s
Render Config
-
Compute Units
4
-
Shading Units
320
12
TMUs
16
8
ROPs
16
-
L2 Cache
128 KB
Theoretical Performance
3.600 GPixel/s
Pixel Rate
10.72 GPixel/s
5.400 GTexel/s
Texture Rate
10.72 GTexel/s
-
FP32 (float)
428.8 GFLOPS
-
FP64 (double)
85.76 GFLOPS
Board Design
Unknown
TDP
75W
200 W
Suggested PSU
250 W
1x DVI
1x VGA
1x S-Video
1x VGA
1x S-Video
Outputs
2x DVI
1x S-Video
1x S-Video
1x Molex
Power Connectors
1x 6-pin
Graphics Processor
NV42
GPU Name
RV670
6800 XT
GPU Variant
RV670 PRO
(215-0708003)
(215-0708003)
Curie
Architecture
TeraScale
TSMC
Foundry
TSMC
110 nm
Process Size
55 nm
0.202 billion
Transistors
0.666 billion
222 mm²
Die Size
192 mm²
Graphics Features
9.0c (9_3)
DirectX
10.1 (10_1)
2.0 (full)
2.1 (partial)
2.1 (partial)
OpenGL
3.3 (full)
4.0 (partial)
4.0 (partial)
N/A
OpenCL
N/A
N/A
Vulkan
N/A
3.0
Shader Model
4.1