Radeon HD 6450 GDDR5 vs HD 4850

Place in performance ranking	777	1079
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.17	0.01
Architecture	Terascale 1 (2008−2010)	Terascale 2 (2009−2015)
GPU code name	RV770	Caicos
Market segment	Desktop	Desktop
Release date	25 June 2008 (15 years ago)	18 April 2011 (13 years ago)
Launch price (MSRP)	$199	no data
Current price	$138 (0.7x MSRP)	$129

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

ATI HD 4850 has 1600% better value for money than HD 6450 GDDR5.

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	800	160
Core clock speed	625 MHz	750 MHz
Number of transistors	956 million	no data
Manufacturing process technology	55 nm	40 nm
Power consumption (TDP)	110 Watt	27 Watt
Texture fill rate	25.00	no data
Floating-point performance	1,000.0 gflops	no data

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	PCIe 2.0 x16	no data
Length	246 mm	no data
Width	1-slot	no data
Supplementary power connectors	1x 6-pin	no data

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	GDDR3	GDDR5
Maximum RAM amount	512 MB	1 GB
Memory bus width	256 Bit	64 Bit
Memory clock speed	993 MHz	900 MHz
Memory bandwidth	63.55 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

2x DVI, 1x S-Video

no data

API compatibility

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

DirectX	10.1 (10_1)	11
Shader Model	4.1	no data
OpenGL	3.3	no data
OpenCL	1.1	no data
Vulkan	N/A	no data

Synthetic benchmark performance

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

Combined synthetic benchmark score

This is our combined benchmark performance 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 4850 2.65
+173%

HD 6450 GDDR5 0.97

HD 4850 outperforms HD 6450 GDDR5 by 173% based on our aggregated benchmark results.

3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

Benchmark coverage: 17%

ATI HD 4850 8972
+218%

HD 6450 GDDR5 2822

HD 4850 outperforms HD 6450 GDDR5 by 218% in 3DMark Vantage Performance.

3DMark Cloud Gate GPU

Cloud Gate is an outdated DirectX 11 feature level 10 benchmark that was used for home PCs and basic notebooks. It displays a few scenes of some weird space teleportation device launching spaceships into unknown, using fixed resolution of 1280x720. Just like Ice Storm benchmark, it has been discontinued in January 2020 and replaced by 3DMark Night Raid.

Benchmark coverage: 14%

ATI HD 4850 11272
+165%

HD 6450 GDDR5 4257

HD 4850 outperforms HD 6450 GDDR5 by 165% in 3DMark Cloud Gate GPU.

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	28 +300%	7 −300%
Full HD	39 +160%	15 −160%
1200p	19 +280%	5 −280%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

5−6
+66.7%

3−4

−66.7%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 +200%	1−2 −200%
Battlefield 5	4−5 +300%	1−2 −300%
Call of Duty: Modern Warfare	6−7 +200%	2−3 −200%
Cyberpunk 2077	5−6 +66.7%	3−4 −66.7%
Far Cry 5	10−11 +100%	5−6 −100%
Far Cry New Dawn	4−5 +300%	1−2 −300%
Forza Horizon 4	10−11 +150%	4−5 −150%
Hitman 3	7−8 +133%	3−4 −133%
Horizon Zero Dawn	14−16 +25%	12−14 −25%
Metro Exodus	2−3	0−1
Red Dead Redemption 2	6−7 +500%	1−2 −500%
Shadow of the Tomb Raider	12−14 +33.3%	9−10 −33.3%
Watch Dogs: Legion	2−3	0−1

Full HD
High Preset

Assassin's Creed Odyssey	3−4 +200%	1−2 −200%
Battlefield 5	4−5 +300%	1−2 −300%
Call of Duty: Modern Warfare	6−7 +200%	2−3 −200%
Cyberpunk 2077	5−6 +66.7%	3−4 −66.7%
Far Cry 5	10−11 +100%	5−6 −100%
Far Cry New Dawn	4−5 +300%	1−2 −300%
Forza Horizon 4	10−11 +150%	4−5 −150%
Hitman 3	7−8 +133%	3−4 −133%
Horizon Zero Dawn	14−16 +25%	12−14 −25%
Metro Exodus	2−3	0−1
Red Dead Redemption 2	6−7 +500%	1−2 −500%
Shadow of the Tomb Raider	12−14 +33.3%	9−10 −33.3%
The Witcher 3: Wild Hunt	6−7 +100%	3−4 −100%
Watch Dogs: Legion	2−3	0−1

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 +200%	1−2 −200%
Call of Duty: Modern Warfare	6−7 +200%	2−3 −200%
Cyberpunk 2077	5−6 +66.7%	3−4 −66.7%
Far Cry 5	10−11 +100%	5−6 −100%
Forza Horizon 4	10−11 +150%	4−5 −150%
Horizon Zero Dawn	14−16 +25%	12−14 −25%
Metro Exodus	2−3	0−1
The Witcher 3: Wild Hunt	6−7 +100%	3−4 −100%
Watch Dogs: Legion	2−3	0−1

Full HD
Epic Preset

Red Dead Redemption 2

6−7
+500%

1−2

−500%

1440p
High Preset

Battlefield 5	4−5 +300%	1−2 −300%
Far Cry New Dawn	3−4	0−1
Red Dead Redemption 2	1−2	0−1

1440p
Ultra Preset

Call of Duty: Modern Warfare	5−6 +25%	4−5 −25%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	4−5 +300%	1−2 −300%
Forza Horizon 4	4−5	0−1
Horizon Zero Dawn	7−8 +75%	4−5 −75%
The Witcher 3: Wild Hunt	2−3 +100%	1−2 −100%
Watch Dogs: Legion	1−2	0−1

4K
High Preset

Far Cry 5	9−10 +80%	5−6 −80%
Horizon Zero Dawn	3−4 +200%	1−2 −200%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2	0−1
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	1−2	0−1
Forza Horizon 4	0−1	0−1
Horizon Zero Dawn	3−4 +200%	1−2 −200%
Metro Exodus	5−6 +25%	4−5 −25%
Watch Dogs: Legion	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

4−5
+100%

2−3

−100%

This is how ATI HD 4850 and HD 6450 GDDR5 compete in popular games:

ATI HD 4850 is 300% faster in 900p
ATI HD 4850 is 160% faster in 1080p
ATI HD 4850 is 280% faster in 1200p

Here's the range of performance differences observed across popular games:

in Red Dead Redemption 2, with 1080p resolution and the Medium Preset, the ATI HD 4850 is 500% faster than the HD 6450 GDDR5.

All in all, in popular games:

ATI HD 4850 is ahead in 35 tests (97%)
there's a draw in 1 test (3%)

Pros & cons summary

Performance score	2.65	0.97
Recency	25 June 2008	18 April 2011
Maximum RAM amount	512 MB	1 GB
Chip lithography	55 nm	40 nm
Power consumption (TDP)	110 Watt	27 Watt