ATI Radeon HD 4870 X2 vs GeForce GT 745A

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Aggregate performance score

We've compared GeForce GT 745A with Radeon HD 4870 X2, including specs and performance data.

GT 745A
2013
2 GB DDR3, 33 Watt
3.21

ATI HD 4870 X2 outperforms GT 745A by a small 6% based on our aggregate benchmark results.

Primary details

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

Place in the ranking748732
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.15
Power efficiency6.670.81
ArchitectureKepler (2012−2018)TeraScale (2005−2013)
GPU code nameGK107R700
Market segmentLaptopDesktop
Release date26 August 2013 (11 years ago)12 August 2008 (16 years ago)
Launch price (MSRP)no data$550

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 cores384800
Core clock speed837 MHz700 MHz
Boost clock speed915 MHzno data
Number of transistors1,270 million956 million
Manufacturing process technology28 nm55 nm
Power consumption (TDP)33 Watt286 Watt
Texture fill rate29.2828.00
Floating-point processing power0.7027 TFLOPS1.12 TFLOPS
ROPs1616
TMUs3240

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 3.0 x16PCIe 2.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin + 1x 8-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 typeDDR3GDDR5
Maximum RAM amount2 GB1 GB
Memory bus width128 Bit256 Bit
Memory clock speed900 MHz900 MHz
Memory bandwidth28.8 GB/s115.2 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 ConnectorsNo outputs2x DVI, 1x S-Video

API compatibility

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

DirectX12 (11_0)10.1 (10_1)
Shader Model5.14.1
OpenGL4.63.3
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA3.0-

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.

GT 745A 3.21
ATI HD 4870 X2 3.40
+5.9%

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.

GT 745A 1237
ATI HD 4870 X2 1309
+5.8%

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 3.21 3.40
Recency 26 August 2013 12 August 2008
Maximum RAM amount 2 GB 1 GB
Chip lithography 28 nm 55 nm
Power consumption (TDP) 33 Watt 286 Watt

GT 745A has an age advantage of 5 years, a 100% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 766.7% lower power consumption.

ATI HD 4870 X2, on the other hand, has a 5.9% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between GeForce GT 745A and Radeon HD 4870 X2.

Be aware that GeForce GT 745A is a notebook card while Radeon HD 4870 X2 is a desktop one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce GT 745A
GeForce GT 745A
ATI Radeon HD 4870 X2
Radeon HD 4870 X2

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 7 votes

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4 44 votes

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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.