Radeon RX 6650 XT vs Radeon HD 6450 OEM
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6650 XT Advantages
Released 11 years and 3 months late
Boost Clock2635MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (280.3GB/s vs 8.528GB/s)
1888 additional rendering cores
Radeon HD 6450 OEM Advantages
Lower TDP (18W vs 176W)
Score
Benchmark
FP32 (float)
Radeon RX 6650 XT
+5295%
10790
Radeon HD 6450 OEM
200
Graphics Card
May 2022
Release Date
Feb 2011
Navi II
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
2055 MHz
Base Clock
-
2635 MHz
Boost Clock
-
2190 MHz
Memory Clock
533 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
128bit
Memory Bus
64bit
280.3GB/s
Bandwidth
8.528GB/s
Render Config
32
Compute Units
2
2048
Shading Units
160
128
TMUs
8
64
ROPs
4
32
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
128 KB
32 MB
L3 Cache
-
Theoretical Performance
168.6 GPixel/s
Pixel Rate
2.500 GPixel/s
337.3 GTexel/s
Texture Rate
5.000 GTexel/s
21.59 TFLOPS
FP16 (half)
-
10.79 TFLOPS
FP32 (float)
200.0 GFLOPS
674.6 GFLOPS
FP64 (double)
-
Board Design
176W
TDP
18W
450 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
1x 8-pin
Power Connectors
None
Graphics Processor
Navi 23
GPU Name
Caicos
Navi 23 KXT
(215-130000136)
(215-130000136)
GPU Variant
Junbonator
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
11.06 billion
Transistors
0.37 billion
237 mm²
Die Size
67 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
6.5
Shader Model
5.0
