AMD Radeon RX 6600 vs NVIDIA GeForce RTX 5070
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 12GB VRAM GeForce RTX 5070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 's Advantages
Lower TDP (132W vs 250W)
NVIDIA GeForce RTX 5070 's Advantages
Released 3 years and 5 months late
Boost Clock has increased by 1% (2512MHz vs 2491MHz)
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (672.0GB/s vs 224.0GB/s)
4352 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6600
8.928 TFLOPS
GeForce RTX 5070
+245%
30.87 TFLOPS
3DMark Time Spy
Radeon RX 6600
8115
GeForce RTX 5070
+177%
22544
3DMark Time Spy Extreme
Radeon RX 6600
3700
GeForce RTX 5070
+191%
10789
3DMark Speed Way
Radeon RX 6600
1418
GeForce RTX 5070
+315%
5896
Graphics Card
Oct 2021
Release Date
Mar 2025
Navi II
Generation
GeForce 50
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 5.0 x16
Clock Speeds
1626 MHz
Base Clock
2325 MHz
2491 MHz
Boost Clock
2512 MHz
1750 MHz
Memory Clock
1750 MHz
Memory
8GB
Memory Size
12GB
GDDR6
Memory Type
GDDR7
128bit
Memory Bus
192bit
224.0GB/s
Bandwidth
672.0GB/s
Render Config
28
Compute Units
-
-
SM Count
48
1792
Shading Units
6144
112
TMUs
192
64
ROPs
80
-
Tensor Cores
192
28
RT Cores
48
128 KB per Array
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
48 MB
32 MB
L3 Cache
-
Theoretical Performance
159.4 GPixel/s
Pixel Rate
201.0 GPixel/s
279.0 GTexel/s
Texture Rate
482.3 GTexel/s
17.86 TFLOPS
FP16 (half)
30.87 TFLOPS
8.928 TFLOPS
FP32 (float)
30.87 TFLOPS
558.0 GFLOPS
FP64 (double)
482.3 GFLOPS
Board Design
132W
TDP
250W
300 W
Suggested PSU
600 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1b
1x 8-pin
Power Connectors
1x 16-pin
Graphics Processor
Navi 23
GPU Name
GB205
Navi 23 XL
(215-130000016)
GPU Variant
GB205-300-A1
RDNA 2.0
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
7 nm
Process Size
5 nm
11.06 billion
Transistors
31.1 billion
237 mm²
Die Size
263 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
1.4
-
CUDA
10.1
6.5
Shader Model
6.8
