Radeon HD 7660D vs ATI HD 3850

Aggregate performance score

We've compared Radeon HD 3850 and Radeon HD 7660D, covering specs and all relevant benchmarks.

ATI HD 3850
2007
1 GB GDDR3, 75 Watt
1.02

HD 7660D outperforms ATI HD 3850 by a significant 29% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking11041029
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.040.10
Power efficiency0.930.90
ArchitectureTeraScale (2005−2013)TeraScale 3 (2010−2013)
GPU code nameRV670Devastator
Market segmentDesktopDesktop
Release date19 November 2007 (17 years ago)2 October 2012 (12 years ago)
Launch price (MSRP)$179 $122

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

HD 7660D has 150% better value for money than ATI HD 3850.

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 cores320384
Core clock speed668 MHz800 MHz
Boost clock speedno data800 MHz
Number of transistors666 million1,303 million
Manufacturing process technology55 nm32 nm
Power consumption (TDP)75 Watt100 Watt
Texture fill rate10.6919.20
Floating-point processing power0.4275 TFLOPS0.6144 TFLOPS
ROPs168
TMUs1624

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).

InterfacePCIe 2.0 x16IGP
Length208 mmno data
Width1-slotIGP
Supplementary power connectors1x 6-pinno 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 typeGDDR3System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed830 MHzSystem Shared
Memory bandwidth53.12 GB/sno data
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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX10.1 (10_1)11.2 (11_0)
Shader Model4.15.0
OpenGL3.34.4
OpenCLN/A1.2
VulkanN/AN/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 3850 1.02
HD 7660D 1.32
+29.4%

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 3850 392
HD 7660D 508
+29.6%

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:

Full HD12−14
−41.7%
17
+41.7%

Cost per frame, $

1080p14.927.18

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 4−5
+0%
4−5
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%
Forza Horizon 4 2−3
+0%
2−3
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Red Dead Redemption 2 2−3
+0%
2−3
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
High Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%
Forza Horizon 4 2−3
+0%
2−3
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Red Dead Redemption 2 2−3
+0%
2−3
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 10−12
+0%
10−12
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Forza Horizon 4 2−3
+0%
2−3
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 10−12
+0%
10−12
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

1440p
High Preset

Battlefield 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 4−5
+0%
4−5
+0%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 6−7
+0%
6−7
+0%

1440p
Epic Preset

Red Dead Redemption 2 4−5
+0%
4−5
+0%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

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

4K
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

This is how ATI HD 3850 and HD 7660D compete in popular games:

  • HD 7660D is 42% faster in 1080p

All in all, in popular games:

  • there's a draw in 47 tests (100%)

Pros & cons summary


Performance score 1.02 1.32
Recency 19 November 2007 2 October 2012
Chip lithography 55 nm 32 nm
Power consumption (TDP) 75 Watt 100 Watt

ATI HD 3850 has 33.3% lower power consumption.

HD 7660D, on the other hand, has a 29.4% higher aggregate performance score, an age advantage of 4 years, and a 71.9% more advanced lithography process.

The Radeon HD 7660D is our recommended choice as it beats the Radeon HD 3850 in performance tests.


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

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ATI Radeon HD 3850
Radeon HD 3850
AMD Radeon HD 7660D
Radeon HD 7660D

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.4 206 votes

Rate Radeon HD 3850 on a scale of 1 to 5:

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3.4 129 votes

Rate Radeon HD 7660D on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.