Home GPU Comparison NVIDIA GeForce GTX 490 vs AMD Radeon RX 6500 XT

NVIDIA GeForce GTX 490 vs AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 4GB VRAM Radeon RX 6500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages
Larger VRAM bandwidth (164.0GB/s vs 143.9GB/s)
AMD Radeon RX 6500 XT 's Advantages
Boost Clock2815MHz
More VRAM (4GB vs 1536GB)
544 additional rendering cores
Lower TDP (107W vs 365W)

Score

Benchmark

FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon RX 6500 XT +394%
5.765 TFLOPS

Graphics Card

Unknown
Release Date
Jan 2022
GeForce 400
Generation
Navi II
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x4

Clock Speeds

-
Base Clock
2310 MHz
-
Boost Clock
2815 MHz
854 MHz
Memory Clock
2248 MHz

Memory

1536MB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
64bit
164.0GB/s
Bandwidth
143.9GB/s

Render Config

-
Compute Units
16
15
SM Count
-
480
Shading Units
1024
60
TMUs
64
48
ROPs
32
-
-
-
-
RT Cores
16
64 KB (per SM)
L1 Cache
128 KB per Array
768 KB
L2 Cache
1024 KB
-
L3 Cache
16 MB

Theoretical Performance

18.24 GPixel/s
Pixel Rate
90.08 GPixel/s
36.48 GTexel/s
Texture Rate
180.2 GTexel/s
-
FP16 (half)
11.53 TFLOPS
1166 GFLOPS
FP32 (float)
5.765 TFLOPS
145.8 GFLOPS
FP64 (double)
360.3 GFLOPS

Board Design

365W
TDP
107W
750 W
Suggested PSU
300 W
3x DVI 1x mini-DisplayPort
Outputs
1x HDMI 2.1 1x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

GF100
GPU Name
Navi 24
GF100-375-A3
GPU Variant
Navi 24 XT (215-135000006)
Fermi
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
6 nm
3.1 billion
Transistors
5.4 billion
529 mm²
Die Size
107 mm²

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.1
OpenCL
2.2
N/A
Vulkan
1.3
2.0
CUDA
-
5.1
Shader Model
6.6
© 2025 - TopCPU.net