AMD Radeon RX 6600 XT vs NVIDIA GeForce RTX 4070 GDDR6
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 12GB VRAM GeForce RTX 4070 GDDR6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 XT 's Advantages
Boost Clock has increased by 5% (2589MHz vs 2475MHz)
Lower TDP (160W vs 200W)
NVIDIA GeForce RTX 4070 GDDR6 's Advantages
Released 3 years and 1 months late
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (480.0GB/s vs 256.0GB/s)
3840 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6600 XT
10.6 TFLOPS
GeForce RTX 4070 GDDR6
+175%
29.15 TFLOPS
Graphics Card
Jul 2021
Release Date
Aug 2024
Navi II
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1968 MHz
Base Clock
1920 MHz
2589 MHz
Boost Clock
2475 MHz
2000 MHz
Memory Clock
2500 MHz
Memory
8GB
Memory Size
12GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
192bit
256.0GB/s
Bandwidth
480.0GB/s
Render Config
32
Compute Units
-
-
SM Count
46
2048
Shading Units
5888
128
TMUs
184
64
ROPs
64
-
Tensor Cores
184
32
RT Cores
46
128 KB per Array
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
36 MB
32 MB
L3 Cache
-
Theoretical Performance
165.7 GPixel/s
Pixel Rate
158.4 GPixel/s
331.4 GTexel/s
Texture Rate
455.4 GTexel/s
21.21 TFLOPS
FP16 (half)
29.15 TFLOPS
10.60 TFLOPS
FP32 (float)
29.15 TFLOPS
662.8 GFLOPS
FP64 (double)
455.4 GFLOPS
Board Design
160W
TDP
200W
450 W
Suggested PSU
550 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
1x 8-pin
Power Connectors
1x 16-pin
Graphics Processor
Navi 23
GPU Name
AD104
Navi 23 XT
(215-130000006)
GPU Variant
AD104-2XX-A1
RDNA 2.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
7 nm
Process Size
5 nm
11.06 billion
Transistors
35.8 billion
237 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
6.7
Shader Model
6.8
