GeForce 6800 XT vs Radeon HD 6850 1440SP Edition
We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 XT and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6850 1440SP Edition Advantages
Released 6 years and 11 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (128.0GB/s vs 38.40GB/s)
1440 additional rendering cores
Score
Graphics Card
Sep 2005
Release Date
Aug 2012
GeForce 6 AGP
Generation
Northern Islands
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x16
Clock Speeds
600 MHz
Memory Clock
1000 MHz
Memory
256MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
38.40GB/s
Bandwidth
128.0GB/s
Render Config
-
Compute Units
18
-
Shading Units
1440
12
TMUs
72
8
ROPs
32
-
L1 Cache
8 KB (per CU)
-
L2 Cache
512 KB
Theoretical Performance
3.600 GPixel/s
Pixel Rate
23.20 GPixel/s
5.400 GTexel/s
Texture Rate
52.20 GTexel/s
-
FP32 (float)
2.088 TFLOPS
-
FP64 (double)
417.6 GFLOPS
Board Design
Unknown
TDP
151W
200 W
Suggested PSU
450 W
1x DVI
1x VGA
1x S-Video
1x VGA
1x S-Video
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x HDMI 1.3a
1x DisplayPort 1.1
1x Molex
Power Connectors
2x 6-pin
Graphics Processor
NV42
GPU Name
Cypress
6800 XT
GPU Variant
Cypress PRO
(215-0735043)
(215-0735043)
Curie
Architecture
TeraScale 2
TSMC
Foundry
TSMC
110 nm
Process Size
40 nm
0.202 billion
Transistors
2.154 billion
222 mm²
Die Size
334 mm²
Graphics Features
9.0c (9_3)
DirectX
11.2 (11_0)
2.0 (full)
2.1 (partial)
2.1 (partial)
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
3.0
Shader Model
5.0