AMD Radeon RX 6500 XT vs NVIDIA GeForce GT 420 OEM
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6500 XT and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6500 XT 's Advantages
Released 11 years and 4 months late
Boost Clock2815MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (143.9GB/s vs 28.80GB/s)
976 additional rendering cores
NVIDIA GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 107W)
Score
Benchmark
FP32 (float)
Radeon RX 6500 XT
+4202%
5.765 TFLOPS
GeForce GT 420 OEM
0.134 TFLOPS
Graphics Card
Jan 2022
Release Date
Sep 2010
Navi II
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 2.0 x16
Clock Speeds
2310 MHz
Base Clock
-
2815 MHz
Boost Clock
-
2248 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
64bit
Memory Bus
128bit
143.9GB/s
Bandwidth
28.80GB/s
Render Config
16
Compute Units
-
-
SM Count
1
1024
Shading Units
48
64
TMUs
4
32
ROPs
4
-
-
-
16
RT Cores
-
128 KB per Array
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
256 KB
16 MB
L3 Cache
-
Theoretical Performance
90.08 GPixel/s
Pixel Rate
1.400 GPixel/s
180.2 GTexel/s
Texture Rate
2.800 GTexel/s
11.53 TFLOPS
FP16 (half)
-
5.765 TFLOPS
FP32 (float)
134.4 GFLOPS
360.3 GFLOPS
FP64 (double)
11.20 GFLOPS
Board Design
107W
TDP
50W
300 W
Suggested PSU
250 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 6-pin
Power Connectors
None
Graphics Processor
Navi 24
GPU Name
GF108
Navi 24 XT
(215-135000006)
GPU Variant
GF108-200-A1
RDNA 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
6 nm
Process Size
40 nm
5.4 billion
Transistors
0.585 billion
107 mm²
Die Size
116 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
2.1
6.6
Shader Model
5.1
