GeForce 6800 XT vs Radeon RX 7900 XT
We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 XT and 20GB VRAM Radeon RX 7900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT Advantages
Released 17 years and 2 months late
Boost Clock2394MHz
More VRAM (20GB vs 256GB)
Larger VRAM bandwidth (800.0GB/s vs 38.40GB/s)
5376 additional rendering cores
Score
Graphics Card
Sep 2005
Release Date
Nov 2022
GeForce 6 AGP
Generation
Navi III
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1387 MHz
-
Boost Clock
2394 MHz
600 MHz
Memory Clock
2500 MHz
Memory
256MB
Memory Size
20GB
GDDR3
Memory Type
GDDR6
256bit
Memory Bus
320bit
38.40GB/s
Bandwidth
800.0GB/s
Render Config
-
Compute Units
84
-
Shading Units
5376
12
TMUs
336
8
ROPs
192
-
RT Cores
84
-
L1 Cache
256 KB per Array
-
L2 Cache
6 MB
-
L3 Cache
80 MB
Theoretical Performance
3.600 GPixel/s
Pixel Rate
459.6 GPixel/s
5.400 GTexel/s
Texture Rate
804.4 GTexel/s
-
FP16 (half)
103.0 TFLOPS
-
FP32 (float)
51.48 TFLOPS
-
FP64 (double)
1.609 TFLOPS
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 2.1a
2x DisplayPort 2.1
1x USB Type-C
2x DisplayPort 2.1
1x USB Type-C
1x Molex
Power Connectors
2x 8-pin
Graphics Processor
NV42
GPU Name
Navi 31
6800 XT
GPU Variant
Navi 31 XT
(215-145000156)
(215-145000156)
Curie
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
110 nm
Process Size
5 nm
0.202 billion
Transistors
57.7 billion
222 mm²
Die Size
529 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
2.2
N/A
Vulkan
1.3
3.0
Shader Model
6.7
