RTX A2000 vs Radeon HD 6450 GDDR5

Place in performance ranking	1122	138
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	43.13
Architecture	Terascale 2 (2009−2015)	Ampere (2020−2024)
GPU code name	Caicos	GA106
Market segment	Desktop	Desktop
Release date	18 April 2011 (13 years ago)	10 August 2021 (3 years ago)
Launch price (MSRP)	no data	$449

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	160	3328
Core clock speed	750 MHz	no data
Boost clock speed	no data	1200 MHz
Number of transistors	no data	12,000 million
Manufacturing process technology	40 nm	8 nm
Power consumption (TDP)	27 Watt	70 Watt
Texture fill rate	no data	124.8

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	no data	PCIe 4.0 x16
Length	no data	167 mm
Width	no data	2-slot
Supplementary power connectors	no data	None

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	GDDR5	GDDR6
Maximum RAM amount	1 GB	6 GB
Memory bus width	64 Bit	192 Bit
Memory clock speed	900 MHz	12 GB/s
Memory bandwidth	no data	288.0 GB/s
Shared memory	-	-

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 data

4x mini-DisplayPort 1.4a

API compatibility

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

DirectX	11	12 Ultimate (12_2)
Shader Model	no data	6.7
OpenGL	no data	4.6
OpenCL	no data	3.0
Vulkan	-	1.3
CUDA	-	8.6

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

900p	7 −3471%	250−260 +3471%
Full HD	16 −488%	94 +488%
1200p	5 −3500%	180−190 +3500%
1440p	1−2 −4100%	42 +4100%
4K	0−1	32

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

3−4
−3567%

110−120

+3567%

Full HD
Medium Preset

Assassin's Creed Odyssey	5−6 −3500%	180−190 +3500%
Call of Duty: Modern Warfare	4−5 −3400%	140−150 +3400%
Cyberpunk 2077	3−4 −3567%	110−120 +3567%
Far Cry 5	1−2 −3400%	35−40 +3400%
Far Cry New Dawn	2−3 −3400%	70−75 +3400%
Hitman 3	5−6 −3500%	180−190 +3500%
Horizon Zero Dawn	12−14 −3362%	450−500 +3362%
Red Dead Redemption 2	1−2 −3400%	35−40 +3400%
Shadow of the Tomb Raider	7−8 −3471%	250−260 +3471%
Watch Dogs: Legion	30−35 −3494%	1150−1200 +3494%

Full HD
High Preset

Assassin's Creed Odyssey	5−6 −3500%	180−190 +3500%
Call of Duty: Modern Warfare	4−5 −3400%	140−150 +3400%
Cyberpunk 2077	3−4 −3567%	110−120 +3567%
Far Cry 5	1−2 −3400%	35−40 +3400%
Far Cry New Dawn	2−3 −3400%	70−75 +3400%
Hitman 3	5−6 −3500%	180−190 +3500%
Horizon Zero Dawn	12−14 −3362%	450−500 +3362%
Red Dead Redemption 2	1−2 −3400%	35−40 +3400%
Shadow of the Tomb Raider	7−8 −3471%	250−260 +3471%
The Witcher 3: Wild Hunt	10−11 −3400%	350−400 +3400%
Watch Dogs: Legion	30−35 −3494%	1150−1200 +3494%

Full HD
Ultra Preset

Assassin's Creed Odyssey	5−6 −3500%	180−190 +3500%
Call of Duty: Modern Warfare	4−5 −3400%	140−150 +3400%
Cyberpunk 2077	3−4 −3567%	110−120 +3567%
Far Cry 5	1−2 −3400%	35−40 +3400%
Hitman 3	5−6 −3500%	180−190 +3500%
Horizon Zero Dawn	12−14 −3362%	450−500 +3362%
Shadow of the Tomb Raider	7−8 −3471%	250−260 +3471%
The Witcher 3: Wild Hunt	10−11 −3400%	350−400 +3400%
Watch Dogs: Legion	30−35 −3494%	1150−1200 +3494%

Full HD
Epic Preset

Red Dead Redemption 2

1−2

−3400%

35−40
+3400%

1440p
High Preset

Battlefield 5	1−2 −3400%	35−40 +3400%
Far Cry New Dawn	1−2 −3400%	35−40 +3400%

1440p
Ultra Preset

Assassin's Creed Odyssey	1−2 −3400%	35−40 +3400%
Cyberpunk 2077	1−2 −3400%	35−40 +3400%
Far Cry 5	1−2 −3400%	35−40 +3400%
Hitman 3	7−8 −3471%	250−260 +3471%
Horizon Zero Dawn	4−5 −3400%	140−150 +3400%
The Witcher 3: Wild Hunt	0−1	0−1
Watch Dogs: Legion	4−5 −3400%	140−150 +3400%

1440p
Epic Preset

Red Dead Redemption 2

3−4
−3567%

110−120

+3567%

4K
High Preset

Far Cry New Dawn

0−1

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 −3400%	35−40 +3400%
Assassin's Creed Valhalla	0−1	0−1
Call of Duty: Modern Warfare	0−1	0−1
Far Cry 5	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

2−3

−3400%

70−75
+3400%

This is how HD 6450 GDDR5 and RTX A2000 compete in popular games:

RTX A2000 is 3471% faster in 900p
RTX A2000 is 488% faster in 1080p
RTX A2000 is 3500% faster in 1200p
RTX A2000 is 4100% faster in 1440p

Pros & cons summary

Performance score	0.96	35.65
Recency	18 April 2011	10 August 2021
Maximum RAM amount	1 GB	6 GB
Chip lithography	40 nm	8 nm
Power consumption (TDP)	27 Watt	70 Watt

HD 6450 GDDR5 has 159.3% lower power consumption.

RTX A2000, on the other hand, has a 3613.5% higher aggregate performance score, an age advantage of 10 years, a 500% higher maximum VRAM amount, and a 400% more advanced lithography process.

The RTX A2000 is our recommended choice as it beats the Radeon HD 6450 GDDR5 in performance tests.

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