Home GPU Comparison AMD Radeon RX 7800 XT vs AMD Radeon RX 6900 XT

AMD Radeon RX 7800 XT vs AMD Radeon RX 6900 XT

AMD Radeon RX 7800 XT
VS
AMD Radeon RX 6900 XT
AMD Radeon RX 7800 XT AMD Radeon RX 6900 XT
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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)
AMD Radeon RX 6900 XT 's Advantages
1280 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 7800 XT +61%
37.32 TFLOPS
Radeon RX 6900 XT
23.04 TFLOPS
3DMark Time Spy
Radeon RX 7800 XT
20026
Radeon RX 6900 XT +4%
20902
Blender
Radeon RX 7800 XT
2742
Radeon RX 6900 XT +5%
2883
Shadow of the Tomb Raider 2160p
Radeon RX 7800 XT +6%
84
Radeon RX 6900 XT
79
Shadow of the Tomb Raider 1440p
Radeon RX 7800 XT +12%
160
Radeon RX 6900 XT
142
Shadow of the Tomb Raider 1080p
Radeon RX 7800 XT +27%
248
Radeon RX 6900 XT
194
Cyberpunk 2077 2160p
Radeon RX 7800 XT
43
Radeon RX 6900 XT +53%
66
Cyberpunk 2077 1440p
Radeon RX 7800 XT +46%
113
Radeon RX 6900 XT
77
Cyberpunk 2077 1080p
Radeon RX 7800 XT +43%
167
Radeon RX 6900 XT
116
GTA 5 2160p
Radeon RX 7800 XT +10%
140
Radeon RX 6900 XT
127
GTA 5 1440p
Radeon RX 7800 XT
140
Radeon RX 6900 XT +8%
152
GTA 5 1080p
Radeon RX 7800 XT
190
Radeon RX 6900 XT
189
Horizon Forbidden West 1080p
Radeon RX 7800 XT
98
Radeon RX 6900 XT +16%
114
Horizon Forbidden West 1440p
Radeon RX 7800 XT
81
Radeon RX 6900 XT +9%
89
Horizon Forbidden West 2160p
Radeon RX 7800 XT
52
Radeon RX 6900 XT +7%
56
Radeon RX 7800 XT
VS
Radeon RX 6900 XT

Graphics Card

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

Clock Speeds

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

Memory

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

Render Config

-
SM Count
-
60
Compute Units
80
3840
Shading Units
5120
240
TMUs
320
96
ROPs
128
-
Tensor Cores
-
60
RT Cores
80
128 KB per Array
L1 Cache
128 KB per Array
4 MB
L2 Cache
4 MB

Theoretical Performance

233.3 GPixel/s
Pixel Rate
288.0 GPixel/s
583.2 GTexel/s
Texture Rate
720.0 GTexel/s
74.65 TFLOPS
FP16 (half)
46.08 TFLOPS
37.32 TFLOPS
FP32 (float)
23.04 TFLOPS
1166 GFLOPS
FP64 (double)
1440 GFLOPS

Graphics Processor

Navi 32
GPU Name
Navi 21
Navi 32 XT (215-180000006)
GPU Variant
Navi 21 XTX (215-121000167)
RDNA 3.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
7 nm
28.1 billion
Transistors
26.8 billion
346 mm²
Die Size
520 mm²

Board Design

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

Graphics Features

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

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