Home GPU Comparison AMD Radeon RX 6800 XT vs AMD Radeon RX 7800 XT

AMD Radeon RX 6800 XT vs AMD Radeon RX 7800 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT's Advantages
768 additional rendering cores
AMD Radeon RX 7800 XT's Advantages
Released 2 years and 10 months late
Boost Clock has increased by 8% (2430MHz vs 2250MHz)
Larger VRAM bandwidth (624.1GB/s vs 512.0GB/s)
Lower TDP (263W vs 300W)

Score

Benchmark

FP32 (float)
Radeon RX 6800 XT
20.74 TFLOPS
Radeon RX 7800 XT +79%
37.32 TFLOPS
3DMark Time Spy
Radeon RX 6800 XT
19416
Radeon RX 7800 XT +3%
20025
Blender
Radeon RX 6800 XT
2647
Radeon RX 7800 XT +3%
2742
Shadow of the Tomb Raider 2160p
Radeon RX 6800 XT
72
Radeon RX 7800 XT +16%
84
Shadow of the Tomb Raider 1440p
Radeon RX 6800 XT
134
Radeon RX 7800 XT +19%
160
Shadow of the Tomb Raider 1080p
Radeon RX 6800 XT
188
Radeon RX 7800 XT +31%
248
Cyberpunk 2077 2160p
Radeon RX 6800 XT +39%
60
Radeon RX 7800 XT
43
Cyberpunk 2077 1440p
Radeon RX 6800 XT
69
Radeon RX 7800 XT +63%
113
Cyberpunk 2077 1080p
Radeon RX 6800 XT
102
Radeon RX 7800 XT +63%
167
GTA 5 2160p
Radeon RX 6800 XT
111
Radeon RX 7800 XT +26%
140
GTA 5 1440p
Radeon RX 6800 XT
138
Radeon RX 7800 XT +1%
140
GTA 5 1080p
Radeon RX 6800 XT
178
Radeon RX 7800 XT +6%
190
Horizon Forbidden West 1080p
Radeon RX 6800 XT +9%
107
Radeon RX 7800 XT
98
Horizon Forbidden West 1440p
Radeon RX 6800 XT
52
Radeon RX 7800 XT +55%
81
VS

Graphics Card

Oct 2020
Release Date
Aug 2023
Navi II
Generation
Navi III
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1825MHz
Base Clock
1295MHz
2250MHz
Boost Clock
2430MHz
2000MHz
Memory Clock
2438MHz

Memory

16GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
256bit
512.0 GB/s
Bandwidth
624.1 GB/s

Render Config

-
SM Count
-
72
Compute Units
60
4608
Shading Units
3840
288
TMUs
240
128
ROPs
96
-
Tensor Cores
-
72
RT Cores
60
128 KB per Array
L1 Cache
128 KB per Array
4MB
L2 Cache
4MB

Theoretical Performance

288.0 GPixel/s
Pixel Rate
233.3 GPixel/s
648.0 GTexel/s
Texture Rate
583.2 GTexel/s
41.47 TFLOPS
FP16 (half)
74.65 TFLOPS
20.74 TFLOPS
FP32 (float)
37.32 TFLOPS
1296 GFLOPS
FP64 (double)
1166 GFLOPS

Graphics Processor

Navi 21
GPU Name
Navi 32
Navi 21 XT (215-121000177)
GPU Variant
Navi 32 XT (215-180000006)
RDNA 2.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
7 nm
Process Size
5 nm
26,800 million
Transistors
28,100 million
520mm²
Die Size
346mm²

Board Design

300W
TDP
263W
700W
Suggested PSU
600W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
1x HDMI 2.1a 3x DisplayPort 2.1
2x 8-pin
Power Connectors
2x 8-pin

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.2
1.3
Vulkan
1.3
-
CUDA
-
6.5
Shader Model
6.7

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