Home GPU Comparison AMD Radeon RX 6800 XT vs NVIDIA RTX 4000 Ada Generation

AMD Radeon RX 6800 XT vs NVIDIA RTX 4000 Ada Generation

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 20GB VRAM RTX 4000 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages
Boost Clock has increased by 3% (2250MHz vs 2175MHz)
Larger VRAM bandwidth (512.0GB/s vs 360.0GB/s)
NVIDIA RTX 4000 Ada Generation 's Advantages
Released 2 years and 10 months late
More VRAM (20GB vs 16GB)
1536 additional rendering cores
Lower TDP (130W vs 300W)

Score

Benchmark

FP32 (float)
Radeon RX 6800 XT
20.74 TFLOPS
RTX 4000 Ada Generation +28%
26.73 TFLOPS
Blender
Radeon RX 6800 XT
2650
RTX 4000 Ada Generation +78%
4737
VS

Graphics Card

Oct 2020
Release Date
Aug 2023
Navi II
Generation
Quadro Ada(x000A)
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1825 MHz
Base Clock
1500 MHz
2250 MHz
Boost Clock
2175 MHz
2000 MHz
Memory Clock
2250 MHz

Memory

16GB
Memory Size
20GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
160bit
512.0GB/s
Bandwidth
360.0GB/s

Render Config

72
Compute Units
-
-
SM Count
48
4608
Shading Units
6144
288
TMUs
192
128
ROPs
80
-
Tensor Cores
192
72
RT Cores
48
128 KB per Array
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
48 MB
128 MB
L3 Cache
-

Theoretical Performance

288.0 GPixel/s
Pixel Rate
174.0 GPixel/s
648.0 GTexel/s
Texture Rate
417.6 GTexel/s
41.47 TFLOPS
FP16 (half)
26.73 TFLOPS
20.74 TFLOPS
FP32 (float)
26.73 TFLOPS
1296 GFLOPS
FP64 (double)
417.6 GFLOPS

Board Design

300W
TDP
130W
700 W
Suggested PSU
300 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
4x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 16-pin

Graphics Processor

Navi 21
GPU Name
AD104
Navi 21 XT (215-121000177)
GPU Variant
-
RDNA 2.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
7 nm
Process Size
5 nm
26.8 billion
Transistors
35.8 billion
520 mm²
Die Size
294 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
8.9
6.5
Shader Model
6.8

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