Radeon HD 6450 vs ATI HD 4250

Place in the ranking	1311	1232
Place by popularity	not in top-100	not in top-100
Power efficiency	0.88	1.94
Architecture	TeraScale (2005−2013)	TeraScale 2 (2009−2015)
GPU code name	RV620	Caicos
Market segment	Desktop	Desktop
Design	no data	reference
Release date	25 February 2009 (15 years ago)	7 April 2011 (13 years ago)
Launch price (MSRP)	no data	$55

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	40	160
Core clock speed	594 MHz	no data
Boost clock speed	no data	750 MHz
Number of transistors	181 million	370 million
Manufacturing process technology	55 nm	40 nm
Power consumption (TDP)	25 Watt	30 Watt
Texture fill rate	2.376	5.000
Floating-point processing power	0.04752 TFLOPS	0.2 TFLOPS
ROPs	4	4
TMUs	4	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).

Bus support	no data	PCIe 2.0 x8
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	no data	168 mm
Width	1-slot	1-slot
Supplementary power connectors	None	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	DDR2	GDDR5
Maximum RAM amount	512 MB	1 GB
Memory bus width	64 Bit	64 Bit
Memory clock speed	396 MHz	800 MHz
Memory bandwidth	6.336 GB/s	25.6 GB/s
Memory bandwidth	no data	8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
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	1x DVI, 1x VGA, 1x S-Video	1x DVI, 1x HDMI, 1x VGA
Eyefinity	-	+
Number of Eyefinity displays	no data	4
HDMI	-	+
DisplayPort support	-	+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire

API compatibility

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

DirectX	10.1 (10_1)	DirectX® 11
Shader Model	4.1	5.0
OpenGL	3.3	4.4
OpenCL	N/A	1.2
Vulkan	N/A	-

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.

ATI HD 4250 0.32

HD 6450 0.51
+59.4%

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.

ATI HD 4250 122

HD 6450 197
+61.5%

Gaming performance

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

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

2−3

−50%

3−4
+50%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 −33.3%	4−5 +33.3%
Call of Duty: Modern Warfare	2−3 −50%	3−4 +50%
Cyberpunk 2077	2−3 −50%	3−4 +50%
Hitman 3	4−5 −50%	6−7 +50%
Horizon Zero Dawn	8−9 −50%	12−14 +50%
Shadow of the Tomb Raider	4−5 −50%	6−7 +50%
Watch Dogs: Legion	27−30 −42.9%	40−45 +42.9%

Full HD
High Preset

Assassin's Creed Odyssey	3−4 −33.3%	4−5 +33.3%
Call of Duty: Modern Warfare	2−3 −50%	3−4 +50%
Cyberpunk 2077	2−3 −50%	3−4 +50%
Hitman 3	4−5 −50%	6−7 +50%
Horizon Zero Dawn	8−9 −50%	12−14 +50%
Shadow of the Tomb Raider	4−5 −50%	6−7 +50%
The Witcher 3: Wild Hunt	9−10 −55.6%	14−16 +55.6%
Watch Dogs: Legion	27−30 −42.9%	40−45 +42.9%

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 −33.3%	4−5 +33.3%
Call of Duty: Modern Warfare	2−3 −50%	3−4 +50%
Cyberpunk 2077	2−3 −50%	3−4 +50%
Hitman 3	4−5 −50%	6−7 +50%
Horizon Zero Dawn	8−9 −50%	12−14 +50%
Shadow of the Tomb Raider	4−5 −50%	6−7 +50%
The Witcher 3: Wild Hunt	9−10 −55.6%	14−16 +55.6%
Watch Dogs: Legion	27−30 −42.9%	40−45 +42.9%

1440p
Ultra Preset

Cyberpunk 2077	0−1	0−1
Hitman 3	6−7 −50%	9−10 +50%
Horizon Zero Dawn	2−3 −50%	3−4 +50%

1440p
Epic Preset

Red Dead Redemption 2

2−3

−50%

3−4
+50%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 +0%	1−2 +0%
Assassin's Creed Valhalla	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

2−3

−50%

3−4
+50%

Pros & cons summary

Performance score	0.32	0.51
Recency	25 February 2009	7 April 2011
Maximum RAM amount	512 MB	1 GB
Chip lithography	55 nm	40 nm
Power consumption (TDP)	25 Watt	30 Watt

ATI HD 4250 has 20% lower power consumption.

HD 6450, on the other hand, has a 59.4% higher aggregate performance score, an age advantage of 2 years, a 100% higher maximum VRAM amount, and a 37.5% more advanced lithography process.

The Radeon HD 6450 is our recommended choice as it beats the Radeon HD 4250 in performance tests.

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