GeForce RTX 4090 vs Radeon HD 6450A

Place in the ranking	1179	1
Place by popularity	not in top-100	6
Cost-effectiveness evaluation	no data	18.46
Power efficiency	1.84	15.23
Architecture	TeraScale 2 (2009−2015)	Ada Lovelace (2022−2024)
GPU code name	Caicos	AD102
Market segment	Laptop	Desktop
Release date	7 April 2011 (13 years ago)	20 September 2022 (2 years ago)
Launch price (MSRP)	no data	$1,599

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	16384
Core clock speed	625 MHz	2235 MHz
Boost clock speed	no data	2520 MHz
Number of transistors	370 million	76,300 million
Manufacturing process technology	40 nm	5 nm
Power consumption (TDP)	25 Watt	450 Watt
Texture fill rate	5.000	1,290
Floating-point processing power	0.2 TFLOPS	82.58 TFLOPS
ROPs	4	176
TMUs	8	512
Tensor Cores	no data	512
Ray Tracing Cores	no data	128

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)	PCIe 4.0 x16
Length	no data	304 mm
Width	no data	3-slot
Supplementary power connectors	no data	1x 16-pin

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	GDDR6X
Maximum RAM amount	512 MB	24 GB
Memory bus width	64 Bit	384 Bit
Memory clock speed	533 MHz	1313 MHz
Memory bandwidth	8.528 GB/s	1.01 TB/s
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	1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI	-	+

API compatibility

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

DirectX	11.2 (11_0)	12 Ultimate (12_2)
Shader Model	5.0	6.8
OpenGL	4.4	4.6
OpenCL	1.2	3.0
Vulkan	N/A	1.3
CUDA	-	8.9

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

RTX 4090 100.00
+14825%

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

RTX 4090 38547
+14726%

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:

Full HD	1−2 −26300%	264 +26300%
1440p	1−2 −20600%	207 +20600%
4K	0−1	146

Cost per frame, $

1080p	no data	6.06
1440p	no data	7.72
4K	no data	10.95

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

225

+0%

225

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	235 +0%	235 +0%
Assassin's Creed Valhalla	287 +0%	287 +0%
Battlefield 5	240−250 +0%	240−250 +0%
Call of Duty: Modern Warfare	120−130 +0%	120−130 +0%
Cyberpunk 2077	222 +0%	222 +0%
Far Cry 5	110−120 +0%	110−120 +0%
Far Cry New Dawn	200−210 +0%	200−210 +0%
Forza Horizon 4	290−300 +0%	290−300 +0%
Hitman 3	120−130 +0%	120−130 +0%
Horizon Zero Dawn	350−400 +0%	350−400 +0%
Metro Exodus	150−160 +0%	150−160 +0%
Red Dead Redemption 2	120−130 +0%	120−130 +0%
Shadow of the Tomb Raider	450−500 +0%	450−500 +0%
Watch Dogs: Legion	150−160 +0%	150−160 +0%

Full HD
High Preset

Assassin's Creed Odyssey	200−210 +0%	200−210 +0%
Assassin's Creed Valhalla	248 +0%	248 +0%
Battlefield 5	240−250 +0%	240−250 +0%
Call of Duty: Modern Warfare	120−130 +0%	120−130 +0%
Cyberpunk 2077	214 +0%	214 +0%
Far Cry 5	110−120 +0%	110−120 +0%
Far Cry New Dawn	200−210 +0%	200−210 +0%
Forza Horizon 4	290−300 +0%	290−300 +0%
Hitman 3	120−130 +0%	120−130 +0%
Horizon Zero Dawn	350−400 +0%	350−400 +0%
Metro Exodus	150−160 +0%	150−160 +0%
Red Dead Redemption 2	120−130 +0%	120−130 +0%
Shadow of the Tomb Raider	548 +0%	548 +0%
The Witcher 3: Wild Hunt	240−250 +0%	240−250 +0%
Watch Dogs: Legion	150−160 +0%	150−160 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	179 +0%	179 +0%
Assassin's Creed Valhalla	220 +0%	220 +0%
Call of Duty: Modern Warfare	120−130 +0%	120−130 +0%
Cyberpunk 2077	210 +0%	210 +0%
Far Cry 5	110−120 +0%	110−120 +0%
Forza Horizon 4	290−300 +0%	290−300 +0%
Hitman 3	120−130 +0%	120−130 +0%
Horizon Zero Dawn	394 +0%	394 +0%
Shadow of the Tomb Raider	541 +0%	541 +0%
The Witcher 3: Wild Hunt	305 +0%	305 +0%
Watch Dogs: Legion	153 +0%	153 +0%

Full HD
Epic Preset

Red Dead Redemption 2

120−130

+0%

120−130

+0%

1440p
High Preset

Battlefield 5	160−170 +0%	160−170 +0%
Far Cry New Dawn	110−120 +0%	110−120 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	155 +0%	155 +0%
Assassin's Creed Valhalla	183 +0%	183 +0%
Call of Duty: Modern Warfare	80−85 +0%	80−85 +0%
Cyberpunk 2077	154 +0%	154 +0%
Far Cry 5	80−85 +0%	80−85 +0%
Forza Horizon 4	270−280 +0%	270−280 +0%
Hitman 3	130−140 +0%	130−140 +0%
Horizon Zero Dawn	388 +0%	388 +0%
Metro Exodus	152 +0%	152 +0%
Shadow of the Tomb Raider	504 +0%	504 +0%
The Witcher 3: Wild Hunt	268 +0%	268 +0%
Watch Dogs: Legion	240−250 +0%	240−250 +0%

1440p
Epic Preset

Red Dead Redemption 2

120−130

+0%

120−130

+0%

4K
High Preset

Battlefield 5	85−90 +0%	85−90 +0%
Far Cry New Dawn	65−70 +0%	65−70 +0%
Hitman 3	80−85 +0%	80−85 +0%
Horizon Zero Dawn	105 +0%	105 +0%
Metro Exodus	140−150 +0%	140−150 +0%
The Witcher 3: Wild Hunt	281 +0%	281 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	120 +0%	120 +0%
Assassin's Creed Valhalla	120 +0%	120 +0%
Call of Duty: Modern Warfare	50−55 +0%	50−55 +0%
Cyberpunk 2077	80 +0%	80 +0%
Far Cry 5	50−55 +0%	50−55 +0%
Forza Horizon 4	250−260 +0%	250−260 +0%
Shadow of the Tomb Raider	282 +0%	282 +0%
Watch Dogs: Legion	117 +0%	117 +0%

4K
Epic Preset

Red Dead Redemption 2

110−120

+0%

110−120

+0%

This is how HD 6450A and RTX 4090 compete in popular games:

RTX 4090 is 26300% faster in 1080p
RTX 4090 is 20600% faster in 1440p

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	0.67	100.00
Recency	7 April 2011	20 September 2022
Maximum RAM amount	512 MB	24 GB
Chip lithography	40 nm	5 nm
Power consumption (TDP)	25 Watt	450 Watt

HD 6450A has 1700% lower power consumption.

RTX 4090, on the other hand, has a 14825.4% higher aggregate performance score, an age advantage of 11 years, a 4700% higher maximum VRAM amount, and a 700% more advanced lithography process.

The GeForce RTX 4090 is our recommended choice as it beats the Radeon HD 6450A in performance tests.

Be aware that Radeon HD 6450A is a notebook card while GeForce RTX 4090 is a desktop one.

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