GeForce 6800 XT vs Radeon RX 6800 XT
We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 XT and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6800 XT Advantages
Released 15 years and 1 months late
Boost Clock2250MHz
More VRAM (16GB vs 256GB)
Larger VRAM bandwidth (512.0GB/s vs 38.40GB/s)
4608 additional rendering cores
Score
Graphics Card
Sep 2005
Release Date
Oct 2020
GeForce 6 AGP
Generation
Navi II
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1825 MHz
-
Boost Clock
2250 MHz
600 MHz
Memory Clock
2000 MHz
Memory
256MB
Memory Size
16GB
GDDR3
Memory Type
GDDR6
256bit
Memory Bus
256bit
38.40GB/s
Bandwidth
512.0GB/s
Render Config
-
Compute Units
72
-
Shading Units
4608
12
TMUs
288
8
ROPs
128
-
RT Cores
72
-
L1 Cache
128 KB per Array
-
L2 Cache
4 MB
-
L3 Cache
128 MB
Theoretical Performance
3.600 GPixel/s
Pixel Rate
288.0 GPixel/s
5.400 GTexel/s
Texture Rate
648.0 GTexel/s
-
FP16 (half)
41.47 TFLOPS
-
FP32 (float)
20.74 TFLOPS
-
FP64 (double)
1296 GFLOPS
Board Design
Unknown
TDP
300W
200 W
Suggested PSU
700 W
1x DVI
1x VGA
1x S-Video
1x VGA
1x S-Video
Outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
2x DisplayPort 1.4a
1x USB Type-C
1x Molex
Power Connectors
2x 8-pin
Graphics Processor
NV42
GPU Name
Navi 21
6800 XT
GPU Variant
Navi 21 XT
(215-121000177)
(215-121000177)
Curie
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
110 nm
Process Size
7 nm
0.202 billion
Transistors
26.8 billion
222 mm²
Die Size
520 mm²
Graphics Features
9.0c (9_3)
DirectX
12 Ultimate (12_2)
2.0 (full)
2.1 (partial)
2.1 (partial)
OpenGL
4.6
N/A
OpenCL
2.1
N/A
Vulkan
1.3
3.0
Shader Model
6.5