NVIDIA GeForce GTX 490 vs AMD Radeon RX 6650 XT
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6650 XT 's Advantages
Boost Clock2635MHz
More VRAM (8GB vs 1536GB)
Larger VRAM bandwidth (280.3GB/s vs 164.0GB/s)
1568 additional rendering cores
Lower TDP (176W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon RX 6650 XT
+825%
10.79 TFLOPS
Graphics Card
Unknown
Release Date
May 2022
GeForce 400
Generation
Navi II
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
2055 MHz
-
Boost Clock
2635 MHz
854 MHz
Memory Clock
2190 MHz
Memory
1536MB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
128bit
164.0GB/s
Bandwidth
280.3GB/s
Render Config
-
Compute Units
32
15
SM Count
-
480
Shading Units
2048
60
TMUs
128
48
ROPs
64
-
-
-
-
RT Cores
32
64 KB (per SM)
L1 Cache
128 KB per Array
768 KB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
18.24 GPixel/s
Pixel Rate
168.6 GPixel/s
36.48 GTexel/s
Texture Rate
337.3 GTexel/s
-
FP16 (half)
21.59 TFLOPS
1166 GFLOPS
FP32 (float)
10.79 TFLOPS
145.8 GFLOPS
FP64 (double)
674.6 GFLOPS
Board Design
365W
TDP
176W
750 W
Suggested PSU
450 W
3x DVI
1x mini-DisplayPort
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
GF100
GPU Name
Navi 23
GF100-375-A3
GPU Variant
Navi 23 KXT
(215-130000136)
Fermi
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
7 nm
3.1 billion
Transistors
11.06 billion
529 mm²
Die Size
237 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.3
2.0
CUDA
-
5.1
Shader Model
6.5
