UHD Graphics vs Radeon HD 6450A

Place in the ranking	1180	604
Place by popularity	not in top-100	7
Power efficiency	1.84	38.22
Architecture	TeraScale 2 (2009−2015)	Generation 11.0 (2019−2021)
GPU code name	Caicos	Jasper Lake GT1
Market segment	Laptop	Laptop
Release date	7 April 2011 (13 years ago)	11 January 2021 (3 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	160	256
Core clock speed	625 MHz	350 MHz
Boost clock speed	no data	750 MHz
Number of transistors	370 million	no data
Manufacturing process technology	40 nm	10 nm+
Power consumption (TDP)	25 Watt	10 Watt
Texture fill rate	5.000	12.00
Floating-point processing power	0.2 TFLOPS	0.384 TFLOPS
ROPs	4	8
TMUs	8	16

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Interface

MXM-A (3.0)

Ring Bus

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	DDR3	System Shared
Maximum RAM amount	512 MB	System Shared
Memory bus width	64 Bit	System Shared
Memory clock speed	533 MHz	System Shared
Memory bandwidth	8.528 GB/s	no data
Shared memory	no data	+

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

No outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	11.2 (11_0)	12 (12_1)
Shader Model	5.0	6.4
OpenGL	4.4	4.6
OpenCL	1.2	3.0
Vulkan	N/A	1.2

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

HD 6450A 0.67

UHD Graphics 5.58
+733%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

HD 6450A 260

UHD Graphics 2151
+727%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	0.67	5.58
Recency	7 April 2011	11 January 2021
Chip lithography	40 nm	10 nm
Power consumption (TDP)	25 Watt	10 Watt

UHD Graphics has a 732.8% higher aggregate performance score, an age advantage of 9 years, a 300% more advanced lithography process, and 150% lower power consumption.

The UHD Graphics is our recommended choice as it beats the Radeon HD 6450A in performance tests.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.