ATI Radeon HD 4770 vs ATI HD 4870

VS

Aggregate performance score

We've compared Radeon HD 4870 and Radeon HD 4770, covering specs and all relevant benchmarks.

ATI HD 4870
2008
1 GB GDDR5, 150 Watt
3.56
+50.8%

ATI HD 4870 outperforms ATI HD 4770 by an impressive 51% based on our aggregate benchmark results.

Primary details

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

Place in the ranking713839
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.270.29
Power efficiency1.642.04
ArchitectureTeraScale (2005−2013)TeraScale (2005−2013)
GPU code nameRV770RV740
Market segmentDesktopDesktop
Release date25 June 2008 (16 years ago)28 April 2009 (15 years ago)
Launch price (MSRP)$299 $109

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

ATI HD 4770 has 7% better value for money than ATI HD 4870.

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 cores800640
Core clock speed750 MHz750 MHz
Number of transistors956 million826 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)150 Watt80 Watt
Texture fill rate30.0024.00
Floating-point processing power1.2 TFLOPS0.96 TFLOPS
ROPs1616
TMUs4032

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 x16PCIe 2.0 x16
Length250 mm203 mm
Width2-slot2-slot
Supplementary power connectors2x 6-pin1x 6-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 typeGDDR5GDDR5
Maximum RAM amount1 GB512 MB
Memory bus width256 Bit128 Bit
Memory clock speed900 MHz800 MHz
Memory bandwidth115.2 GB/s51.2 GB/s

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-Video2x DVI, 1x S-Video

API compatibility

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

DirectX10.1 (10_1)10.1 (10_1)
Shader Model4.14.1
OpenGL3.33.3
OpenCL1.11.1
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 4870 3.56
+50.8%
ATI HD 4770 2.36

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 4870 1375
+51.3%
ATI HD 4770 909

Gaming performance

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

Pros & cons summary


Performance score 3.56 2.36
Recency 25 June 2008 28 April 2009
Maximum RAM amount 1 GB 512 MB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 150 Watt 80 Watt

ATI HD 4870 has a 50.8% higher aggregate performance score, and a 100% higher maximum VRAM amount.

ATI HD 4770, on the other hand, has an age advantage of 10 months, a 37.5% more advanced lithography process, and 87.5% lower power consumption.

The Radeon HD 4870 is our recommended choice as it beats the Radeon HD 4770 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 4870
Radeon HD 4870
ATI Radeon HD 4770
Radeon HD 4770

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.


3.3 226 votes

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4.1 72 votes

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Questions & comments

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