Radeon RX 6600 vs GeForce RTX 3090
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 24GB VRAM GeForce RTX 3090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6600 's Advantages
Released 1 years and 1 months late
Boost Clock has increased by 47% (2491MHz vs 1695MHz)
Lower TDP (132W vs 350W)
GeForce RTX 3090 's Advantages
More VRAM (24GB vs 8GB)
Larger VRAM bandwidth (936.2GB/s vs 224.0GB/s)
8704 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6600
8928
GeForce RTX 3090
+298%
35580
3DMark Time Spy
Radeon RX 6600
8115
GeForce RTX 3090
+145%
19893
3DMark Time Spy Extreme
Radeon RX 6600
3700
GeForce RTX 3090
+177%
10258
3DMark Speed Way
Radeon RX 6600
1418
GeForce RTX 3090
+279%
5383
Shadow of the Tomb Raider 2160p
Radeon RX 6600
34
GeForce RTX 3090
+173%
93
Shadow of the Tomb Raider 1440p
Radeon RX 6600
71
GeForce RTX 3090
+116%
154
Shadow of the Tomb Raider 1080p
Radeon RX 6600
126
GeForce RTX 3090
+58%
200
Cyberpunk 2077 2160p
Radeon RX 6600
24
GeForce RTX 3090
+175%
66
Cyberpunk 2077 1440p
Radeon RX 6600
31
GeForce RTX 3090
+154%
79
Cyberpunk 2077 1080p
Radeon RX 6600
50
GeForce RTX 3090
+128%
114
Battlefield 5 2160p
Radeon RX 6600
44
GeForce RTX 3090
+163%
116
Battlefield 5 1440p
Radeon RX 6600
98
GeForce RTX 3090
+92%
189
Battlefield 5 1080p
Radeon RX 6600
127
GeForce RTX 3090
+56%
199
GTA 5 2160p
Radeon RX 6600
60
GeForce RTX 3090
+118%
131
GTA 5 1440p
Radeon RX 6600
66
GeForce RTX 3090
+175%
182
GTA 5 1080p
Radeon RX 6600
182
GeForce RTX 3090
+14%
209
Graphics Card
Oct 2021
Release Date
Sep 2020
Navi II
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1626 MHz
Base Clock
1395 MHz
2491 MHz
Boost Clock
1695 MHz
1750 MHz
Memory Clock
1219 MHz
Memory
8GB
Memory Size
24GB
GDDR6
Memory Type
GDDR6X
128bit
Memory Bus
384bit
224.0GB/s
Bandwidth
936.2GB/s
Render Config
28
Compute Units
-
-
SM Count
82
1792
Shading Units
10496
112
TMUs
328
64
ROPs
112
-
Tensor Cores
328
28
RT Cores
82
128 KB per Array
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
6 MB
32 MB
L3 Cache
-
Theoretical Performance
159.4 GPixel/s
Pixel Rate
189.8 GPixel/s
279.0 GTexel/s
Texture Rate
556.0 GTexel/s
17.86 TFLOPS
FP16 (half)
35.58 TFLOPS
8.928 TFLOPS
FP32 (float)
35.58 TFLOPS
558.0 GFLOPS
FP64 (double)
556.0 GFLOPS
Board Design
132W
TDP
350W
300 W
Suggested PSU
750 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
1x 8-pin
Power Connectors
1x 12-pin
Graphics Processor
Navi 23
GPU Name
GA102
Navi 23 XL
(215-130000016)
GPU Variant
GA102-300-A1
RDNA 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
7 nm
Process Size
8 nm
11.06 billion
Transistors
28.3 billion
237 mm²
Die Size
628 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
8.6
6.5
Shader Model
6.6