NVIDIA GeForce 6800 XT vs AMD Radeon R9 Nano
We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 XT and 4GB VRAM Radeon R9 Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 Nano 's Advantages
Released 9 years and 11 months late
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (512.0GB/s vs 38.40GB/s)
4096 additional rendering cores
Score
Graphics Card
Sep 2005
Release Date
Aug 2015
GeForce 6 AGP
Generation
Pirate Islands
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
600 MHz
Memory Clock
500 MHz
Memory
256MB
Memory Size
4GB
GDDR3
Memory Type
HBM
256bit
Memory Bus
4096bit
38.40GB/s
Bandwidth
512.0GB/s
Render Config
-
Compute Units
64
-
-
-
-
Shading Units
4096
12
TMUs
256
8
ROPs
64
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
-
L2 Cache
2 MB
-
-
-
Theoretical Performance
3.600 GPixel/s
Pixel Rate
64.00 GPixel/s
5.400 GTexel/s
Texture Rate
256.0 GTexel/s
-
FP16 (half)
8.192 TFLOPS
-
FP32 (float)
8.192 TFLOPS
-
FP64 (double)
512.0 GFLOPS
Board Design
Unknown
TDP
175W
200 W
Suggested PSU
450 W
1x DVI
1x VGA
1x S-Video
Outputs
1x HDMI 1.4a
3x DisplayPort 1.2
1x Molex
Power Connectors
1x 8-pin
Graphics Processor
NV42
GPU Name
Fiji
6800 XT
GPU Variant
Fiji XT CA
(215-0862120)
Curie
Architecture
GCN 3.0
TSMC
Foundry
TSMC
110 nm
Process Size
28 nm
0.202 billion
Transistors
8.9 billion
222 mm²
Die Size
596 mm²
Graphics Features
9.0c (9_3)
DirectX
12 (12_0)
2.0 (full)
2.1 (partial)
OpenGL
4.6
N/A
OpenCL
2.0
N/A
Vulkan
1.2
-
-
-
3.0
Shader Model
6.3
